Codex Atlanticus854 pages
- Odometer and pedometer: machines that measure distance
- Blank Verso with Large Stains
- Machine for Sawing Stone Slabs
- Blank Blue-Grey Verso
- Large Excavating Machine and Earth-Moving Weights
- Blank Verso
- Large Hoisting Machine and Ditch Measurements
- Lifting pump with lead-sealed valves and an optical sighting tube
- Machines for raising water and drawing wire
- Blank verso with show-through of cranes and levers
- Machines for raising water, with a man-driven treadwheel
- Faint sketches and a wheel-driven mechanism (verso)
- Water-wheel driven by a river to grind mills
- Faint mechanisms with numbers and fractions (verso)
- Machine for drawing iron into cannon barrels
- Water-Driven Machine for Drawing Metal Wire
- Machine for Cutting Metal Bars (Troncasbarre)
- Faint Study of a File-Cutting Machine
- Weight-Driven Wheel-and-Drum Mechanism
- Blank verso, invisible before restoration
- Polishing machine for ground disks
- Geometry, a pavilion frame and mechanical sketches
- Wire-drawing machine, cranes and lifting devices
- Geared war machine, a bombard mechanism
- Springs, levers and toothed-wheel mechanisms
- Cart drive and apparatus for a hollow fire-sphere
- Letter draft, names and proverbs with military mechanisms
- Walnut oil for painting, with mechanisms and pen-trials
- Weighing a fall of water, with mechanisms
- Machine driven by a 10,000-pound counterweight
- Self-turning roasting spit driven by rising heat
- Sheet of machine sketches with circle-squaring figures
- Faint sketches revealed by restoration (recorded as blank)
- Toothed shears for cutting iron, with chains and gears
- How a saw cuts: kerf width, blade angle and the pull-stroke
- Machine that cuts the teeth of files by itself
- Blank verso, with faint show-through of the file machine
- Mechanism with paired end-boxes and a central rocking arm
- Blank verso with faint machine forms showing through
- Machines for raising water; diving and water-walking devices
- Water-raising screws, wheels and counterweight pumps
- Grinding wheels and water-mill gearing; a large boat
- Blank verso with faint show-through of the recto's machinery
- Building-site machines: hoists, a screw press and a domed building
- Blank Leaf (Verso), Invisible Before Restoration
- Automatic Hammer with a Self-Releasing Escapement
- Column of Figures with Faint Mechanical Sketches
- Hoists, a Screw Conveyor, and Interlocking Locking Beams
- Geared Winches and a Wax-and-Cotton Hygrometer
- Swivel guns, cartridges and a spring-finned dart
- Earth-boring auger, water-raising gear and a lamp
- Faint defensive devices revealed by restoration
- Machines, balances and military-hydraulic devices
- Geometry, calculations and machine studies
- Faint geometric and mechanical drawings, no writing
- Gears, gun-barrels and mill machinery
- Merchant's Ledger: Balanced Debit and Credit Accounts
- Machine Studies: Pincers, Screw-Jack, Springald and Arches
- Automatic Goldbeating Hammer Driven by Geared Wheels
- Automatic Cloth-Shearing Machine (Cropping the Nap)
- Studies of Levers, Pulleys, Gears and Proportion
- Sheet of mechanical and geometric studies (no text)
- Wire-drawing machine and the power of percussion
- Weighing materials, poisoning trees, and a water clock
- Water clocks and a meditation on measuring time
- Mechanical and throwing-engine studies (no text)
- Hoisting a great weight and the squaring of triangles
- A great wheel, amphitheatre steps, and a fable of the sword
- Milling machine and column studies
- Two Mounted Fragments, Blank on This Side
- Oil Press and Studies of Screw Threads
- Sheet of machines: a six-stone mill, a segmented bombard and a screw
- Compasses, Dividers, and Knot Ornaments
- Wheeled Assault Bridge and Bombard on a Carriage
- Verso: Show-Through of Assault Bridge and Bombard
- Wheeled war-engine and a tall runged frame
- Blank verso showing offset of the recto drawings
- Wheeled apparatus and an operated frame
- Blank verso showing offset of the recto sketches
- Machines, a hoist, and a fluted column
- Verses on contentment with what nature wills
- A geared instrument for digging land-ditches
- Near-blank leaf with faint pencil traces
- Portable bridges to flee or pursue the enemy
- Near-blank verso, invisible before restoration
- The 'sbaratrona' counterweight throwing engine
- Milan Cathedral account entries, threaded cylinder and a nude
- Column of calculations with small mechanical sketches
- Trestle bridge on light poles, with an arc engine and gears
- Counterweight versus friction on a pulley, with a winged figure
- Studies of ropes, knots and timber joints under strain
- Gun-mount mechanisms, a bombard on a stand, and a dragon
- Transporting a large casting mould to its pit
- Weighing the force of a blow: percussion experiments
- Spring-driven forge hammers
- Geared trip-hammer mechanism
- Automatic Valve Pump and an Interlocking-Beam Arch
- Blank Verso of Folio 69
- River Fords, Flood Deposits, and a Membrane Vane
- Catapult engine, a spiked device, and a knot
- A wheeled war-engine and the Pavian mill
- Machine for shaping and tempering points
- Winch machine with lettered lead counterweight
- Sheet of devices: sound-maker, pincers and ox-less plough
- How to aim a swivel-gun true with two sights
- Three studies of wheeled light cannon
- Three bombards on elevating wheeled carriages
- Gear Trains, a Bombard Hoist, and Time Reckonings
- The Science of the Crossbow: Force, Load and Range
- Force, Weight and Impetus in the Crossbow
- Catapult, needle-grinder sketches and a Latin siege epigram
- Bombard barrel with ball and powder specifications
- The science of percussion: hammer, anvil and the blow
- Friction and counterweight in balanced weights
- Hoisting apparatus and a Milanese account entry
- A gear train to multiply motion, force and heat
- Water-driven mills and the weight of falling water
- Studies of machinery and a bombard carriage
- A hoisting machine for the defence of walls
- Water-lifting machine: the great wheel and vertical screw
- Grain mill, furnaces, and a concave burning mirror
- Compound pulley-blocks and a crossbow-spanning device
- Transporting a bombard: windlass, cart and timber joints
- Anti-scaling defence engine for a bastion
- Verso: faint machine offset and later additions
- Making a strong composite beam and arching it
- Canal dam with a sluice gate raised by a windlass
- Catapult on a wheel with a trigger release
- Composite beams, trusses and arches from joined pieces
- Studies of mechanisms: geared device, shaft and fittings
- Lifting gear and knapsacks with iron frames
- Machines for defending walls and handling bombards
- Helical screw on a shaft, seen through the leaf
- Window with concealed hinges and iron fittings
- Iron corner detail of a demountable field pavilion
- Mechanical studies: spring versus counterweight, siphon and gears
- Sheet of mechanical devices with weights, hinges and a wall-cladding note
- Mechanical devices, a perspective study and a small reckoning
- Pyramids in cylinders and cubes, with dies and a cutting template
- Proportional figures, an instrument for refraction and a cutting tool
- Faint Machine Forms Showing Through a Blank Verso
- Winding Machine, Balanced Weights and Calculations
- Blank Verso with a Small Show-Through Drawing
- Silk-Doubling Machine and a Perspective Instrument
- Blank Verso with Faint Circular Pen Lines
- Weights on a Curve, a Windlass, and a Clamping Machine
- Falling Water, a Balance Machine, Saws, and Prophecies
- A Machine for Tentering and Teaseling Cloth
- A Goldbeating Machine with an Automatic Hammer
- Hoisting Wheels, a Mile-Gauge Gear, Sums, and Rain-Light
- Blank verso; recto drawings show through
- Machine studies: a wooden plane, boring machine and gearwork
- Blank verso; recto machine drawings show through
- Gear-trains and a bombard, with multiplication tables
- A wheel-and-cord mechanism with a hanging weight
- Mechanical Studies: Wheel, Screw Press, and a Bolt Device
- Machines, Crossbows, and a Maxim on Happiness and Wisdom
- Firearms, an Eight-Barrel Wheel-Gun, a Sling, and a Jack
- Siege engines: wall-catapults and a lance-bearing horse
- Two screw-lifting devices with numbered ratios
- Gear train for lifting: 12 wheels that raise 1000 pounds
- Notes on percussion and obliquity, with instrument sketches
- Faint erased sketches; sheet catalogued without writing
- Twin water gate opened together by falling counterweights
- Canal-lock gates and safe mooring in the lock chamber
- Faint mechanical sketches: scissor linkage, dividers and springs
- Blank Verso with Recto Text Showing Through
- Pupils' Charcoal: A Spoked-Wheel Crank Device
- Fortress Walls Against Heavier Artillery
- Geometric square construction and a radial wheel mechanism
- Compound lever press and the multiplication of force
- The 'universal cistern' water device, with a Latin verb exercise
- Blank Verso (Invisible Before Restoration)
- Triangular Hoist for Raising a Column
- Blank Verso (Invisible Before Restoration)
- Wall Device to Throw Off Enemy Scaling Ladders
- Spring Catapults and Their Loading Mechanisms
- Blank Verso of Sheet 140 (Recto Mechanisms Showing Through)
- The sling: a giant stone-throwing engine
- Blank Verso of Sheet 141 (Recto Machine Showing Through)
- Loading Mechanism of a Bench Crossbow
- Blank Verso of Sheet 142 (Crossbow Showing Through)
- Crossbow Release Mechanism and Lock Components
- Blank Verso of Sheet 143 (Crossbow Parts Showing Through)
- Throwing weapons: darts, slings, and a wall sling-engine
- Stone-hurling engine with springing arms
- Mechanical apparatus: pulleys, treadle and hand-crank
- Bombard, winding gear and faint column studies
- Great crossbow, carriage and hinged mechanisms
- A spring lifting instrument, shown right and wrong
- The great crossbow, with bombard and torsion engines
- Studies of spring-powered catapults
- Spring engines and the release of the cords at point a
- A great torsion sling-engine driven by worm screws
- Rapid-loading crossbow with lever, nut and locking key
- Bombard without a stock, a wedge-lifting device and perspective solids
- Crossbow with running nut and a gate that opens on every side
- Screw-cutting tools, a weighted wheel and lifting gear
- Organ guns: a 33-barrelled ribauldequin cart
- Wheel-lock firing mechanism with three springs
- Machine studies: rollers and a counterweighted frame
- Trebuchet wheel and rack-loaded 'cimitrilla' engines
- Sketches of a geared wheel, a drum-and-cord device and small mechanisms
- Red-chalk studies of wheel-and-axle devices
- A continuous balance, a clock and a band-drive lever
- Constructing the triangle of a triangular balance
- Hoist and furnace apparatus pouring molten material
- Geared wheel-and-drum mechanism with cords
- Framed barrel of a spingarda with crank wheel
- Wheeled bombard carriage with a screw-lowered axle-beam
- Winch-drums on stands and the loose bore for a turning weight
- Weight-driven grain mill with a gear train and pendulum
- Dredging crane: a toothed scoop slung from a swinging boom
- Boat-borne dredging machines built around spoked wheels
- Toothed wheels, proportional circles and gear contact
- Crossbow lock, trigger and forked rest
- Wing-membrane studies and an articulated armature
- Mechanical studies with a multiplication (300 x 25)
- Gearing, hung weights and a press, with a multiplication
- Spiked bundled devices, a folding lattice and a plummet
- Draft of a letter to his father; spiked-device studies
- Red-chalk mechanism with lettered parts and a scaled diagram
- Two-storey arcaded structure housing a machine
- A Great Catapult
- Verso: No Original Text or Drawings
- Two War Machines: Sling-Catapult and Crossbow Wheel
- Verso: No Original Text or Drawings
- Wage Accounts for Benedetto and Ioditti; a Stone-Saw
- Studies of Falling Water Drops, Splashes and Motion
- Friction of a Pivot and the Balancing Counterweight
- Proof of the Counterweight Calculation for a Pivot's Friction
- Computing the Counterweight of a Pivot's Friction
- Friction of bodies equals a quarter of the weight
- Narrative of a battle at the bridge, with pulley studies
- Studies of screws, levers, pulleys and foundations
- Blank verso, invisible before restoration
- Blank verso, invisible before restoration
- Plans for a Prince's Palace, with Fire-Safe Construction
- Conclusions on the Balance and the Descent of Weights
- A distillation furnace with a water-cooled alembic (still)
- Distillation apparatus and a spherical glass vessel
- A water-filled glass lamp, a house plan and a materials list
- Heat, moisture and the science of waters
- Water issuing under pressure from spouts
- Friction, counterweight and the elements of machines
- Experiment on the breaking strength of an iron wire
- Blank verso, invisible before restoration
- Concave Burning Mirrors and Foundry Notes
- Metalworking Recipes and a Gold Knot Design
- Red-chalk study of a canopied wheeled structure
- Gearing note: a wheel and pinion of 24 and 6 teeth
- Flat tube-ceiling, a beam hoist, and radial arch diagrams
- Canal locks and the physics of falling water
- Squaring curved figures, continued, with a measuring-wheel note
- Squaring circles, lunes and curved figures
- Machine-part sketches with measurements in braccia
- Water machines: float-valve cistern, bellows and mercury tube
- Kinds of Motion, with a Winch and an Ornamental Candelabrum
- Dividing Circles Between Parallel Lines
- Weights on rods hung by cords; centres of gravity
- Balances, cord bends, and pulleys multiplying weight
- Bell mechanism: pivot braced against the tower walls
- Self-regulating water measure with paired basins
- Verso with a small device sketch
- The 'sophistical' overbalanced wheel
- Water falling onto a toothed wheel
- Balances, counterweights and the compound lever
- Weight, pulleys and proportional motion (1 August 1499)
- Equilibrium of Balances and Systems of Pulleys
- The Theory of Movers and Moved Bodies
- Balances of Proportional Weights and Divided Beams
- A Balance Compared to a Bellows Crossbar
- Blank verso with charcoal offset traces
- Stacked spheres, 'excess of excess', and a wheel mechanism
- Mechanical Instruments and Geometric Figures
- The double reverse screw, a balancing spring, and a crossbow
- Dividing the Circle by Six: Hexagons, Triangles and Squares
- Raising a Tall Mast, a Screw for Descent, and the Body of the Earth
- Wall bracket with a pivoting arm and a hanging weight
- Squaring the circle, a pulley, and two building elevations
- On Equal Powers and the Descent of Weights
- Geometric Construction with Calculations and Memoranda
- Weights on a Beam Held by Two Cords
- Quadrature of the Circle: Lunes, Squares and Diameters
- Cords and pulleys: tangency and the centre of gravity of an arc
- Beam, potential lever, and divisibility to infinity
- Pulley blocks: the cord must run perpendicular to the axle
- Block and tackle: trading weight for time and speed
- How the eye judges size; the moon's diameter and lustre
- Faint Pen Lines (Verso, Indeterminate)
- Solid Geometry of Pyramids, Cones and Cylinders
- A load on a slope and the common center of gravity
- Forces in pulleys and cords bearing a weight
- The theory of the balance: real and potential arms
- Weights on Oblique Supports and Centres of Gravity
- Surveying: measuring mountain heights and leveling land
- Surfaces of the cylinder, a theatre curtain cord, and the oblique beam
- Studies of the Balance and the Centres of Weights
- Pulley systems and a household expense account
- Geometric construction with columns of calculation
- Machine to raise water by a bucket-wheel and lever
- The balance with unequal arms: counterweights and their proportions
- Faint Verso Sketches, Perhaps for a Mechanical Wing
- Gesture in Painting, a Pellet Crossbow and Mechanisms
- Sluice-gate construction with quadrature-of-the-circle notes
- Windlass and cord mechanics with quadrature of lunes
- Transmuting triangles and squaring lunes, with cord statics
- Forces in a cord wound on a rod, and pulley blocks
- Balance of Two Poles; Weights, Cords and Cord-Strength
- Breaking Cords, Pulleys and a Balance; a Map and the Prophecies
- Squaring the Lunules; a Night Water-Clock
- The science of the balance: weights, arms and pivots
- Balance schemes and canopied frames
- The falling water-vein and the descent of dropped bodies
- Studies of Pulleys, Gears and Springs
- Euclid's Staff and the Impact of a Ball on Fresh Earth
- Pulleys, levers, and beams suspended by cords
- How suspended beams and cords share their loads
- Accelerated fall and the force of falling water
- Twin Tipping Cases for a Hoisting Machine
- Large Upright Frame Driven by Twin Screws
- Faint verso, only partly visible before restoration
- Pulleys, cords and balances: how weight multiplies through tackle
- Broken lever versus continuous lever; the force of falling water
- Statics of the balance: weight, equilibrium and oblique descent
- 'Experience never errs': friction at a weighing pivot
- Pivot friction of a crane worked out in fractions
- Geometric equivalences and ornamental circle studies
- Machine studies with painting notes and a proud aside
- Mechanics of wheels: friction, axles and gear teeth
- Notes on a Proportional Compass, with a Tool List
- Proportional division of a line in a mechanical figure
- Weights on cords over pulleys, in proportion
- Doubling the cube, with cube-roots and a stamping press
- Doubling the cube: diagonal sections and mean proportionals
- Cloth-napping machines, springs and gears
- Great toothed wheel and cloth-winding machine
- The balance: friction at the fulcrum and the limits of weighing
- Weights in the balance: friction and the impossibility of measure
- Moving Earth and Heavy Loads: Levers, Carts, Oblique Motion
- Balance and Suspended Pyramids: Finding the Centre of Weight
- Weights of movers: balance beams and falling bodies
- Quadrature studies and a note on Leonardo's treatise
- Experiment on the Descent of Grain Through a Vessel's Hole
- Cube with an inscribed pyramid, and roots multiplied
- Draft Letter to the Vicar on Judicial Cases
- Elements, Underground Water, and a Lifting Machine
- Levers, Motion, and Bodies Floating in Water
- Binocular vision of a sphere, with balls hung by cords
- Loaded rods and the double rod balanced by cords
- The law of the balance: arms, weights, and friction
- Quadrature series of lunes and circular portions
- War machine 'Fanemollo' with ornamental staff-heads
- Faded studies of luminous rays, arcs and small devices
- Blank verso, invisible before restoration
- Number calculations, polygons and a sublimation recipe
- Scaling problem, balances and a boat with a paddle-wheel
- Quadrature of lunes and an instrument for reflected light
- Complaints against the German mirror-makers at the Belvedere
- Balances of real and potential arms, with pulleys
- Near-blank verso of a pile-driver sheet
- Levers and cords raising beams; reflex motion and balances
- Beams, pulleys and gear-trains: force, arm and velocity
- Definition of the line of direction
- Digging a ditch: pyramidal gangs and an excavator
- Solid geometry: cube, sphere, cone and polyhedra
- Machine sketches with a 'body born of perspective'
- Mostly blank verso with a single mechanism sketch
- Faint verso with a name inscription and a figure marked h
- The Science of Friction and the Cart Wheel
- Pyramids cut by parallel planes; triangle centres of gravity
- The Friction of a Counterweight on a Balance
- Hammer-Driven Wedges and the Force of Percussion
- Friction and the Dragging of Weights by Inclined Cords
- Studies on the balance, power, motion and impetus
- On the kinds of motion: temporal, mental, of species and of sound
- Weighted wheels and toothed gears for perpetual motion
- Domed churches, columns, and a theorem on a divided line
- Six wheels mounted on a single pole
- Adjustable counterweight and a maxim on economical design
- Gearing, screws, water-wheels; dividing a line into parts
- Rat breeding, sun-moon-earth eclipses, and hand muscles
- Power of Water Falling on Mill-Wheels at Various Obliquities
- The 'Wheel of Increase' and Faint Geometric Constructions
- An Over-Balancing 'Perpetual-Motion' Wheel of Weighted Boxes
- Studies on Friction: Its Laws, Kinds, and Counterweights
- Motion of a Heavy Sphere on an Inclined Plane
- Excavating a great ditch: the labour and arithmetic of moving earth
- Why Thinner Axles and Larger Wheels Turn More Easily
- The nature and power of the pulley; air, lightning and thunder
- A red-chalk mechanism, a falling water-vein, and jottings
- Wheel-diameter calculation and a recipe for making indigo
- A Float-and-Weight Lifting Device that Works Underwater
- Transforming a cube; centres of gravity and lever devices
- Mediterranean currents, waterfalls, weights and a crossbow
- Bolted frame with a note on bolt-heads and a multiplication
- Sheet of mechanisms with an inverted line on Rome
- On the speed of ropes in pulley tackle
- Spring mechanisms, a wheel-lock striker and river pile-work
- Studies for a wheel-driven bowed string instrument
- Mechanical devices: adjustable hanging lamp and frames
- Fragment catalogued blank; faint mechanical traces show through
- Spiral in a star polygon, a vortex study and a mechanism
- Propositions on bodies floating and sinking in water
- Motors that gain or lose power, and pulley tackle
- Rules of perspective and motion; the magnet and beam flexure
- Balance-arm mechanics, an axle-pin recipe, and a lune figure
- Weight of a Rod's End Raised to Various Heights
- Rods and Cords: Weight at Every Position
- The Crossbow-Maker's Fallacious Water-Wheel
- A mechanical 'bird of the comedy' and framing sketches
- The inversion of the image, with a converging light-ray diagram
- Raising a Beam by Counterweights Through Right Angles
- Levers and Counterweights for Raising Beams
- Self-moving wheel driven by lead balls and a screw
- Weights and Friction on Inclined Rods
- Geometry of tangent points, with sketches of springs and devices
- Bucket-wheel for raising water, with lever ratios
- The San Marco lock-gate, with a 1489 ledger of fines
- On sailing, driving piles, and the nature of the winds
- A method to measure any distance by triangulation
- Draft letter of complaint about a German mirror-maker
- Pyramids of incident and reflected light rays
- Weights, siphons and the winding of rivers
- Anemometer, hygrometer and geared measuring instruments
- Percussion of heavy bodies, a wheel system and aphorisms
- The windlass lever, suspended rods, and the machine of the air
- The Blow of a Staff Struck at Two Points
- Sheet Without Text: Faint Geometric and Mechanical Sketches
- Four laws of heavy bodies, with a winding-beam query
- Anchored boat and boat-driving mechanisms
- Balances, levers and small mechanisms
- Oblique balances, compasses, and the squaring of lunes
- De ludo geometrico: squaring lunes and curved figures
- Quadruple circles, with a timber frame and wheel
- Divided bar for wheels, jointed mechanism, and a ramped structure
- Drawing instrument and a note on the Mediterranean Sea
- Instrument and method for measuring any distance
- Four Devices for Drawing Water; Wheel-and-Axle Reckoning
- Screw press, an auger, and a water-current experiment
- General rules of blow and force: loaded beams and a lifting screw
- Cords on a wheel and the law of the balance
- An instrument to measure the size of the Earth
- Domed churches, a hoisting crane, and quadrature studies
- Graduated lever over a fulcrum with a pulley and weight
- The descent of elements and the equal fall of a balanced beam
- Sheet of bracket-and-pulley statics diagrams (no text)
- Many figures, one rule: beams held by cords and pulleys
- Beams slung on cords over paired posts
- Machine-wheel note over faint map and plan sketches
- Mill plan with sluices; geographic sketch of the Adda
- Priming a siphon, a mill plan, and the descent of two bodies
- Plan of a Circular Building and a Spring Device
- Circular Building Plan with Rooms, a Device and Sums
- Articulated Flying Wing with Flexion Mechanism
- Faint pulley-and-shaft mechanism revealed by restoration
- Studies of Articulated Wings and Machine Joints
- Mechanical linkage sketches with a jotted set of numbers
- Lattice frameworks and a figure with a ring and trailing lines
- Flying machine worked standing upright, with wing mechanism
- Concave burning mirror: rays reflected to a focus and its profile
- Loom mechanism: warp beams, reed and levers
- Crossbows, a wind-machine and water-wheels
- Screw jacks and geometric sketches
- Mechanical sketches and a list of light plant materials
- Mechanical Sketches: Spoked Wheel and Curved Members
- Toothed wheels, a weight-wheel, and interlace knots
- Blank verso (invisible before restoration)
- Grammar: the division of speech and the parts of speech
- Rotary grinding mills and a building in perspective
- Mill of the Doccia at Vinci and a colour-grinding machine
- Water-wheels: falling water versus the weight of the wheel
- More water-wheel diagrams with proportional weights
- Draft letter to a lord about a troublesome German craftsman
- Door and Window Fittings: Bolts, Latches and Hinges
- Household accounts and hidden-cash notes, April 1499
- Statics: levers, inclined planes, pulleys and balances
- Working a Tower in Water, with Studies of Area Equivalence
- Overbalancing wheel with rolling weights, gears and a siphon
- Great water-bucket wheel for perpetual motion (778v)
- Faint machine sketches; sheet recorded without writing (779r)
- Machine studies with a column of figures (779v)
- Designs for a water clock that strikes the hours
- Water pressure, siphons and clock mechanism parts
- Well-bucket hoist with pulley, winch and gear ratios
- The Arno Diversion: River Bends and Water-Mills
- Superimposed Surfaces, Tender Jottings and Moral Prose
- Wheel-less bellows filling vessel b c with air
- Wheel with straight and reversed teeth driving screw-nuts
- Design for a chair with a braced supporting frame
- Ornamental Designs and a Note on Springs
- Mirror Optics, Geometry, and Hydraulic Devices
- Double Girth for Mules and a Wedge Mechanism
- Verso Without Writing: Charcoal Wedge and Show-Through
- Perpetual Water Instrument with Alternating Jets
- Machine to Make Spheres, with an Alloy Recipe
- Verso: Circle Figure and Show-Through of the Sphere Machine
- Screw-driving lever, tent frame, and notes on motion
- Wheeled machine with an opening head, and its dimensions
- Faint red-chalk mechanical sketch with a word fragment
- Studies of a framed mechanism and small machines
- Mechanism with a large wheel mounted on a chest
- Screw and framework mechanisms with load studies
- Faint mechanical sketches (verso of folio 806)
- Setting out a screw thread on a cylinder, with a scent recipe
- Large Braced Frame Hoisted by Screws
- Frame Raised by Four Screws
- Tools for Digging, Gravel-Moving and Demolition
- Self-Acting Water-Raising Instrument
- Geared cart and a spring-driven mechanism
- Near-blank verso with a small ink sketch
- Machine studies: toothed wheels, cylinders and a distaff
- Faint Mechanical Linkage Sketches (817 recto)
- Raising a Column: Pulleys, Beams and the Friction of Loads
- Sheet of Mechanical Studies with a Faint Flower (818 verso)
- Proportional division of a triangle by parallel cuts
- Volume of a pyramid and the doubling of the cube
- Hydraulic devices, water efflux and a note on a bombard
- Burning mirrors: solar rays on flat and concave mirrors
- Motive power and distance; a bisecting transversal
- Flying machine: wing-cloth fastened to the heels
- Flying machine driven by the operator's feet
- Sizing a man's wings from a bird's span and weight
- Near-blank recto of folio 827 with faint sketches
- Sheet of Mechanical Device Studies
- Pulleys, weights, and a personal inventory list
- Mill machinery, a friction study, and pyramid geometry
- Sheet of mechanisms with a toothed wheel and pinion
- Friction in Pivots and Wheels; the Perfect Round on a Plane
- Lever Hoist for Raising a Weighted Box
- Force of a thick vs. thin axle, and a furnace
- Geared mechanism with cogwheels and a wheel
- A man who broke with a friend who slandered his friends
- Lever linkages of bone and sinew, with household accounts
- Harbour dredge and wing-lifting flight studies
- Wing proportions and an articulated wing linkage
- Mechanical wing with horn and quill springs
- Design for an articulated 'unjointed' mechanical wing
- Statics of beams and cords, with machine sketches
- Flying-machine wing and the circulation of water
- Pulley hoists and the pupil as a concave mirror
- Wing studies for a flying machine, with materials
- Mechanical Wing of Bent Cane and Thin Paper
- Faint Study of a Flying-Machine Wing
- Studies for a flying-machine wing and its rods
- Land-yield reckoning, abacus problems and bridge sketches
- Crucibles, a geared millstone and a goose-foot oar
- Design for a movable bridge
- Study of an articulated wing for a flying machine
- Thrushes flying against the wind, with a wing study and a jest
- Blank verso, mechanisms faintly showing through
- Pen studies of a wing-like frame and mechanisms
- Blank verso, wing mechanism showing through
- Wares to make, a paste recipe, and articulated levers
- Blank verso, text and lines showing through
- A jointed rod worked by cords, and the speed of its tip
- Rod-and-spring mechanism for doubling a motion
- Spring-driven motor: 'Foundation of the motion'
- Architectural members and extensible lattice mechanisms
- Near-blank leaf with faint mechanical show-through
- Mechanical studies: bar-cutter, pump and Heron's fountain
- Near-blank verso with faint mechanical show-through
- Press mechanism and a draft letter on financial want
- Circle divided into six sectors with device studies
- Studies of ladders, chains, springs and lifting gear
- Mechanical rollers, a great wheel and a wheeled cart
- Near-blank verso with show-through of facing mechanisms
- Drapery studies with a lattice truss and a mechanical plan
- Draft letter: the Naviglio water right, a lawsuit, two Madonnas
- Weaving-machine arms passing the shuttle
- Man-powered machines: force on an axle, a wing, a windlass
- Belt-Driven Machine with an Output Calculation and Glue Recipe
- Statics of Beams: Levity, Gravity and the Pulley
- Faint Leadpoint Studies with a Quadrant of a Circle
- Toothed Wheels and Spindles: Diameters and Tooth Counts
- Faint Mechanical Sketches Revealed by Restoration
- Household Accounts, Reckonings and Notes on Bird Flight
- Mechanical Wheel with Articulated Linkages
- Gear-Train Study with Notarial Jottings
- Grinding-Wheel Machines and a Line of Verse
- Self-Moving Water Machine, Coffered Ceiling and Stucco Recipes
- Diving and Floating Craft, Screws, and Scattered Notes
- Wheels as Balances and the Law of Block-and-Tackle
- Effaced Sheet of Machine Studies with the Number 100
- Workshop clamps, an anvil and a screw-adjustable frame
- Machine casing and the wheel of the first motion
- Rotor mechanism; a circle divided into three equal arcs
- Suction pumps from Imola and lettered figures
- Statics of beams, pulleys and the balance
- Simple screws and how much water each raises
- Inventory of drawings, with machine sketches and grotesque heads
- Catapults, hoisting cranes and a bridge over deep water
- Faint circular design and perspective structures, without text
- The first, slowest wheel of a clock
- Casting thin tin plates on a bed of sand
- Mechanized loom: shuttle, counterweight and pincers
- The loom's shuttle-picking mechanism explained
- Wheels, axles and levers for hauling a cart
- Cutting screw threads on the lathe
- Underwater Excavation for a Castle Moat
- Hauling Machine Worked by Men, with a Horse Study
- Quadrature of Triangles with Two Curved Sides
- Sling-armed siege engine on a trestle frame
- Surveying instruments, a sum, and military devices
- Leveling devices and mechanical sketches
- Harbour works, dredges and pumps
- Machine for Lifting Earth from an Excavation
- Mechanism of Semicircles Swapped by Pulling Cords
- Cord-Driven Semicircle Mechanisms and an Interlace Knot
- A Bridge for Bombards, with a Wheeled Device
- Studies of Wheels, Levers and Weights on Suspended Rods
- An Astronomical Gear-Train Calculation
- Diving Apparatus and a Scheme for Sinking Enemy Ships
- Furnace for Distilling Aqua Fortis
- Excavating and hoisting earth, with figures of an egg-shaped mirror
- Profile head of a man, with small red-chalk sketches
- Wheelwork studies with a figure marked 'Time'
- Rules for an experiment on a falling weight striking a ball
- Proof that a water-wheel cannot make water raise itself
- The force of a blow, wheels, and a candle between mirrors
- Experiment on the force of a blow with imprinted earth
- A train of fifteen wheels and pinions multiplying by twenty
- Hoisting apparatus with a great toothed wheel
- Mechanical studies: clamps, screw and funnel apparatus
- Reducing a solid to a perfect cube; a red-chalk mechanism
- Halved cube and square; a red-chalk mechanism
- Percussion of compressible elements; lifting screws and pumps
- Two mounted fragments: shafted mechanism and domed apparatus
- Three fragments: a wheeled mechanism and shafted apparatus
- Blank versos of three mounted fragments
- Two fragments: an ornate column and mechanical apparatus
- Blank versos of two mounted fragments
- Gun carriages and a cart-pulling force test
- A pointed instrument set on a grinding wheel
- Lever-and-cord machine worked by hands and feet
- Canal lock: chamber dimensions and gate mechanism
- Barrel-form machine with meshing wheels m n
- Firing a defended bridge; a plaster-and-brine glue
- Screw-jack press with crank, nut and wheel
- The mechanics of a pulley: weight, cord and 'excess'
- Design for a striking water-clock
- Pitch Cast over Bombard Platforms
- Stone-Shot against Mud-Covered Mantlets
- A Self-Refilling Water Clock of Twenty-Four Vessels
- Hoisting Machine for Excavating Earth
- Blank Verso with Show-Through of Mechanical Studies
- Mechanical Studies, a Word List, and Three Proverbs
- Water-Powered Saw Note with Mechanical Sketches
- Toothed Wheel, Lantern Pinion, and a Balance Sketch
- Diving Apparatus, a Harbor Threat, and Machine Sketches
- Devices for underwater warfare: diving armour, float and poison smoke
- Mechanical studies: rollers, a screw-press and a domed tabernacle
- Surveying and pile-driving instruments for levelling ground
- Toothed wheels, shafts and a question on suspended weights
- Cosmic wheel: zodiac and planets as a turning, grinding mill
- Twin Wheels Coupled by Pins, One Turning, One Fixed
- Magic Squares, Riddles and Parlour-Trick Experiments
- Furnace and Wheel Marked 'All Hot' and 'Half Hot'
- Machinery for Drawing Water from a Well
- Wheel and disc mechanism for a clock movement
- Hoisting crane with pulleys and a braced mast
- Light through an aperture, a domed church plan and mechanism sketches
- Leaf declared blank, with show-through of mechanical apparatus
- Bellows-Driven Water Device with Stopcocks and Valve
- Rotating Screw-Reservoir, Pulleys, and Weight Calculations
- Pressure in Bellows: Equal Distribution of Enclosed Air
- Levelling Instrument and Balance Experiments
- Bucket machine for raising water from a well
- Conical shields to deflect gunfire and a bombard
- Visual pyramids, bird flight, and a worm-screw mechanism
- Perspective of vision, projectile motion, and the tides
- Force, time and space diagrams; the spheres of the elements
- Waves, impetus and the centre of gravity of a wedge
- Fortification scheme, colliding spheres, and a maxim on artillery
- Percussion of spheres, arithmetic, and a large winged mechanism
- Water wheels and mill mechanisms (sheet bears no writing)
- Mortise-and-tenon beam joints (trave a incastro)
- Bowl-Shaped Machine with Comb Mechanism and Red-Chalk Studies
- Vertical Screw Press in a Frame, with a Plan Detail
- Mechanical Loom: Gear Train and Treadle Timing
- Loom Mechanism: Shuttle-Mouth Timing and Details
- System of Joints and a Lever Analysis of a Rod
- Cogwheel, Roller in a Housing, and a Lever Device
- Coiled springs and articulated chain links
- Coiled springs, spring-driven wheel and chisel percussion
- Method for a clear distillation with a cooled alembic
- Studies of a screw press and mechanical frames
- Reversed screw with its stop, and coupled rods
- Near-blank verso with a partial edge sketch
- Balances with weights, universal pivots, and calculations
- Verso without text; mechanical show-through
- A screw press with a double nut
- Verso without text; recto show-through
- Lifting machines, a Latin grammar table, and a multiplication
- Gears and worm-screws, with beans painted at their sprouting
- Barreled devices and a faint geared wheel
- A jack (martinello): cogwheel driving a toothed rack
- Restored back of the sheet with a faint ratchet mechanism
- Two mechanical studies: geared drum-winch and hooked device
- Verso of two mechanical fragments (blank)
- Concealed underground vault with hidden water supply
- Studies of gears, a winch and a bored fluted element
- Verso of the blue mechanical sheet (blank)
- Balance with suspended weights and mechanical sketches
- Map of Europe, studies of human force, and a flying machine
- The terror of river floods, tides, and water in motion
- The bombard called 'Fulminaria', with a cooling water box
- Foundry notes: firing the mould, setting the core
- Valve manifold for distributing water to 23 vessels
- Excavating machine and self-dumping earth-box for canal work
- Design of a canal-digging excavator, fully dimensioned
- Studies for a stone-sawing machine: the true frame
- Sketches for a sawing machine
- Milk-and-Lime Recipe with Mechanical Sketches
- The Wheel on the Thinnest Axle; a Loaded Roller
- Canal Works: Locks, Excavation and Siphons
- Workshop mills and a grinding machine with part dimensions
- A glass-vessel spinning engine and the wear of its pivot
- Statics of cords and pulleys, with a pile-driver
- Bell-hoisting gear, a screw-cutting bench and a fortified gate
- Faint bell-hoisting and workshop mechanisms (verso, no text)
- Passage made under water, drained by a pump
- Gear trains, a column-lifting rig, and a beam-loading rule
- Note of twenty florins, with geometry and machine sketches
- Cutting a file, materials by weight, and a line construction
- Spindle mechanisms and the centre of gravity
- The statics of water: vessels, counterweights and spinning machines
- Machine studies: a geared shaft and wheeled frames
- A wheeled machine, with lists of cities and Florentine names
- Cutting a screw-thread: drills, taps and a die
- Fire in Place of the Solar Mirror
- Organizing Diggers: Barrows, Windlass and Labour Sums
- Faint Mechanism with Pulleys, Wheel and Spring
- Mechanisms for beating gold leaf
- Earth-moving: filling boxes and excavator schemes
- Improving the great hoist; excavation worker schemes
- Machine for beating gold and drawing lead wire
- Toothed wheels and screws for lapidary machines
- Gem-polishing mills, pivots and concave mirrors
- Lever-and-screw mechanism with reversing motion
- Geared drums, presses and the quadrature of a lune
- Faint mechanical studies revealed by restoration
- Millstone with valve, and rotating vanes for wall defence
- A striking water-clock that sounds the twenty-four hours
- On the pivots of wheels: friction and the wearing of bearings
- On the pivots: keeping them steady and how thick pivots wear
- Wheel-driven machine for grinding points on a grindstone
- Blank verso; recto machinery showing through
- Mechanism for the motions of a small boat
- Blank verso; boat mechanism showing through
- Proportional compass with adjustable points; screw and frame studies
- Faint dividers and geometric sketches on a near-blank verso
- Studies of wheels and buckets, with a note on their wide mouths
- Calculating the tiles in all four faces, with mechanical sketches
- Antifriction Device: Wheel-and-Axle Bearing
- Verso of the Antifriction Sheet (no writing)
- Spring-and-Gear Mechanism with Squaring Sums
- Rotating spring device, room measurements, and sums
- Faint mechanical studies recovered by restoration
- Beating-Wing Studies and the Four-Winged Dragonfly
- Egg Riddle and a Multiplication, with Faint Sketches
- Sheet of mechanical devices with Leonardo's signature
- Screws, a rack-and-pincer device and a release mechanism
- Ray diagram for concave and convex mirrors
- Mirror figure and tools: drawing, rod-making and sawing
- Cloth-shearing machine with concealed drive
- Studies of a geared mechanism with levers and a bench
- Spring-and-pawl release mechanism, with a flame recipe
- Sheet of mechanical devices with a lazy-tongs linkage
- Levers, balances and experiments on the force of screws
- A Mill Mechanism and Two Lathes
- Geared Mechanisms with a Screw
- On Force and Weight: Balances and Pulleys
- A Prophecy, and Studies of Levers and a Screw Device
- A Conical Spiral Water-Tube, a Template, and a Casting Note
- Overbalancing wheels and the blow of a falling stick
- Water clock driven by counterweighted reservoirs
- Sheet of faint mechanical and architectural sketches
- Mechanisms, with notes to weigh a wheel's force and water
- Copper-melting furnace and embryonic umbilical studies
- Weight-driven geared machine with a clock-like escapement
- Screw devices, a leather-bound tripod, and a hollow-sphere note
- Gear-wheels, a five-thread shaft, and a note on the master of Ancona
- Machines for raising water: wind pumps, screws, and counterweights
- Counterweight water-lift with four screws and a fully specified design
- Treadwheel hoist worked by ten men
- Near-blank verso with show-through of the treadwheel hoist
- Winch and lever mechanism for spanning four crossbows
- Faint mechanical detail on an unwritten leaf
- Geared machine with a dished rotor and winding drums
- Sheet of arithmetical calculations with small mechanical sketches
- Study sheet: arched forms and a lever-and-funnel device
- Decked floats, a segmented rod, and a battlement profile
- Faint mechanical sketches revealed after restoration
- Earth-moving machine and the arithmetic of excavation
- Balance-beam weight studies with numeric tables
- Balance and opposed counter-weights (verso)
- Clock wheels and a steam device among small mechanisms
- Near-blank leaf with faint sketches and offset marks
- Geared frame machine with lifting tackle
- System of wheels stepping by powers of ten
- Spring device and wheeled mechanisms, with sums and a memory
- Self-tipping excavator cart, with a draft letter
- Faint mechanical studies on blue paper
- Faint mechanical studies revealed by restoration
- Studies of friction, ball bearings and point contact
- Studies of springs, gears and weighted mechanisms
- Machine Studies: Geared Shaft, Screw and Wheels
- Detail of a Mill's Screw and Drive Mechanism
- Machine with Rollers and Lantern Pinions; a Calculation
- Faint Sheet with a Small Screw-and-Rack Device
- Burning Mirror and an Antifriction Device
- Two machine studies on mounted fragments
- Geared cylindrical machine on a trestle stand
- Geared machine with tooth counts and calculations
- Spinning machine: flyer wheel, spindle and leather drive
- Twin conical vessels and a geared mechanism
- Near-blank verso with faint offset of the mechanism
- Wheel construction: spokes clamped to the rim by a screw
- Spoked wheel and framed mechanism (revealed by restoration)
- Parabolic compass and geometric construction
- Military and mechanical studies with a psalm verse
- Bladed windmill, augers and a note on a buckler
- Raising Water to a Mountaintop; Self-Turning Smokeless Chimney
- Two machines: framed roller structure and a pump over a basin
- Multi-Sheave Pulley Block and a Rule on the Weights
- Studies of Block-and-Tackle Pulleys
- Casting Furnace in Section, with Frame and Screw Gear
- Machines for Grinding Concave Mirrors
- Mould Core and Mantle for Casting the Horse; Number Table
- Machine for cropping woollen cloth with paired beams
- Studies of cloth-cropping shears
- Sheet of mechanisms, springs, flutes and a treadwheel
- Clock gear-trains, an escapement and a colour recipe
- Cloth-cropping machine and a canal for the Wool Guild
- Cloth-shearing machine (cimatrice): the shear mechanism
- Mechanical studies: ribbed conical device and drum on a frame
- Spring-powered military engines and an ignition device
- Bombard on a wheeled carriage with mechanical studies
- Clockwork mechanism (sheet turned on its side)
- The astronomical clock of Chiaravalle tower
- Winch with toothed wheels and a suction pump
- Heat and steam devices with a rotating machine
- Perpetual-motion vessels and cord-suspension studies
- Distillation apparatus, a spade, geometric solids and calculations
- Distillation still with labelled water, smoke and charge
- Near-blank verso with show-through of the still
- Grinding mill with a bladed rotor over a geared base
- Siphon apparatus for making water descend
- Blank verso with show-through of a mechanical apparatus
- Two passavolanti, a two-tube machine and a double pump
- Blank verso of two fragments with show-through
- Large alembic, lance points and a casting furnace
- Blank verso with show-through of technical studies
Codex Arundel101 pages
- A new bellows for caulking a hull at sea
- Bellows with contrary valves for furnaces
- A short method for measuring distance
- Buoyancy-driven wheel and a list of books on water
- Balances, the centre of the world, waves and crossbow range
- Balances with friction: equilibrium on equal and unequal arms
- Friction of a loaded roller and its counterweight
- The moved body and its mover: modes of relative motion
- Foundry vessels and filling a form with bronze rods for casting
- A proportional compass, a dyers' cauldron, and rules of motion
- Power proportioned to its load, with geometric and tube studies
- River meanders eroding mountain roots; mill and weight notes
- Heavy bodies falling to the centre of the world
- The angular balance and equal weights on unequal arms
- Equilibrium of balances with unequal arms and weights
- Graphite sketch of a columned frame on a wheeled base
- Pulleys and toothed wheels raising weights (f. 79v)
- Percussion, rebound, and weights on pulley cords (ff. 92v-80r)
- The science of the blow, impetus, and rebound (ff. 80v-92r)
- Pushing versus pulling; the force of screws and wedges (f. 81r)
- Burning mirrors: focusing sunlight in a concave mirror
- Of Birds: Falling Bodies, Obliquity and Pulley-Ropes
- Of the Gravity of the Excess: Tackles and Air Resistance
- Lever and counter-lever: the potential arm equals the real arm
- The science of levers: potential and real arms
- Balances analysed by right-angled pendants and arms
- Statics of cords and supports: how weight is shared
- A balance with two pivots, and studies of weights
- Design notes for an earth-moving excavation machine
- Efficiency defects of the earth-moving wheel machine
- Water waves, reflected light rays, and a well-bucket hoist
- A reed-wheel musical canon, drums, and studies of liquid motion
- The serpentine motion of flame, with mechanical sketches
- Braziers, a study of the motions of fire, and a curve made square
- The pouring vessel: motions resolved into a right triangle
- Bird flight balanced among the winds; machine-part sketches
- Water raised in pipes, the balance defined, and worn gear teeth
- Gravity and weights; wheels that raise water from a marsh
- Gravity, levity, a sunlight mirror, and musical drums
- A water pump, a locked handle, and three maxims
- Measuring a ship's speed with a mercury clock and a right angle
- Errand lists, definitions of point and line, and measuring motion
- Balances and the line of gravity to the center of the world
- Memorandum of names, errands and objects
- The bending of a loaded beam, with frames and landscapes
- Small sketches of arches and mechanisms; facing leaf blank
- Balances, wheel motion and hauling; with calculations
- Blank recto with show-through from the verso
- Mechanical studies and a stage set for Pluto's realm
- On Retrograde Motion: Gauging the Velocity of a Cord
- Weights on a Wheel and Axle: a Force Analysis
- An Instrument to Test the Motion of Air and Water
- Mechanical sketches; facing leaf blank
- Casting a terracotta mould for a pyramid base
- Equal Motions from Unequal Force; the Sound of Flies
- Faint Device Sketches: Pegged Disc and Frame
- Furnace, vats and strainer, with a framed mechanism
- Double pump, gravity and levity, and a spiral staircase
- Percussion, the Spring, and the Swing
- Falling to the Centre of the World; Earth Moved by Water
- The 'ventilating' (oscillating) motion and how it dies away
- Weights on supports, and the forces that break a cord
- New Bellows for Caulking a Ship Afloat
- A Brief Method for Measuring a Distance
- A plan of 'books' on rivers, embankments and the earth's waters
- Simple equality of balances and the arithmetic of friction
- Casting Note: Fill the Void with a Bronze Rod
- Casting Notes: Iron Core, Firing Holes, and a Jack
- River meanders eroding valleys, with mills and a weight
- Falling bodies about the centre of the world; a two-bucket well
- The balance: arms, poles, and centres of accidental gravity
- Proportion of powers and weights (f. 79r, backlit)
- Rebound, central lines of weight, and pulley loading (ff. 92v-80r)
- Pushing versus pulling in cords, water, wedges and screws (ff. 91v-81r)
- On flyers: pulleys, falling bodies, and bird flight
- Levers, counter-levers and the science of balances
- The balance analysed: real and potential arms and appendages
- A balance with two poles and other small mechanisms
- Notes on a machine for digging and hauling earth
- A reed-wheel for a four-part canon, with liquid-motion notes
- Simple and composed motion; falling flame and reflected suns
- Compound motion: the right triangle of fall and cross-motion
- Mechanical devices and a weighted quadrant
- Water in pipes, the balance, and the wear of gear-teeth
- A sphere unfolded into six triangles, among machine sketches
- A quicksilver timer for measuring a ship's speed at sea
- Mechanical elements: loaded beams and wheels
- Bending of a loaded beam, with frames and mechanisms
- Studies of beams, trusses, levers and rollers
- Wear of a pivot; a stage-mountain that opens
- A weight distributed across wheels, handle and poles
- Mechanical sketch and calculations; facing leaf blank
- Mechanical devices, hatched solids and radiating figures
- Wheeled piece and a tall pillar hoist
- Heating vessels, a funnel and a masonry furnace
- Building plans, mill-wheels and numerical notes
- Double water-pump, siphons and a spiral staircase
- Lettered balance and wheel diagrams
- Sheet with faint diagrams and untranscribed notes
- Pulley mechanism, solids, and candlesticks (transmitted light)
- Musical canon wheel, timpani, and notes on the motion of liquids
Codex Forster I25 pages
- The Proportional Compass and Its Screw-Nut
- Water-driven perpetual-motion machine, with two rebuses
- Pump for drawing water from a well; perpetual-motion screw
- Water-lifting screws and pumps for continuous motion
- Perpetual-motion instruments driven by water screws
- Screws and pumps for continuous water motion
- Pump-driving wheel trains and a self-turning weighted device
- Pump drives, a self-turning water-and-lead wheel, and a stream-driven screw
- Pendulum-driven mill, a screw pump, and paired self-turning tanks
- Ditch-emptying scoop rods, pendulum pumps, and a rack-raised ladder
- Man-powered stepped wheels lifting water, and a ditch-emptier
- Animal- and man-powered wheels driving pumps and scoops
- Water-Lifting Machines: Piston Pumps, Air Pump, Screw
- Ditch-Emptiers with Rectilinear and Circular Traction
- Water-Screws and Bucket Systems for Raising Water
- Pressure Pump and a Vessel Feeding Six Conduits
- Bucket-Wheel in Arched Channels, and Piston Pumps
- Water-Lifting Machines: Vaned Cylinder and Self-Balancing Pumps
- Screw, Siphon and Bucket-Wheel Water-Raising Machines
- Pump Machinery: Toothed Quadrants, a Wheel-Screw and Conduits
- Caged Archimedean Screw and Cone for Draining a Marsh
- Caged Screw, Caged Cone and a Cranked Lifting-Shaft
- Half-Cylindrical, Half-Pyramidal Screws for Perpetual Lifting
- Water-screws: a helical and a conical lifting screw
- Water-screws in cylindrical and conical cages
Codex Forster II89 pages
- On motion: testing a model trebuchet
- Bell with Ringing Mechanism, a Crown, and a Screw
- Detail of a Spring Mechanism
- Part of a Mechanism and a Building Facade
- Geared drum mechanism with crank and hanging weights
- Mechanical device on a vertical shaft
- Mechanism with balance beam, wheel and timing notes
- Two mechanical details
- Notes on greater and lesser proportion
- Arched structure with scaffolding and pulley device
- Toothed wheel and mechanical details
- Faint wheelwork sketches in red chalk
- Gear-train sketch with pen note and red-chalk figures
- Using gunpowder to blast a lock and to storm walls
- A hand loom and the making of the heddle
- How to make the heddle
- A Turning Wheel and the Loading of Its Pole
- A Balance That Lifts Infinite Weight
- Canal bridge, a wheel, and a square within a ring
- Mechanical device, a flower, and calculations
- Mechanical device, gear-trains, and arithmetic
- On motion: a sand cone and a rotating sorting vessel
- Four beams balancing their weights; a screw of varied thread
- Bombard diagram with measures of motion and a quadrant
- The Law of the Block-and-Tackle
- Balancing Two Tackle-Hung Weights at m and n
- Pile-Driver Raised by a Man with Pulley and Rope
- Pile-Driver with Access Ladder and Geared Hoist
- Weights Held by Cords Wound on Rollers
- Loading Cords with Rings and Wedges
- Two Weights on a Compound Pulley Block
- Wedges Driven into a Wooden Block with a Mallet
- Four Screws with Different Thread Pitches
- Three screws and why a screw bends when it presses
- Strength of square, triangular and right-angled screw teeth
- Loads on a balance beam carried by a support pole
- Water Tenfold the Volume of Lead; a Geared Counterweight Device
- The Quadruple Pulley and the Cubic Rule for Cord Loads
- Eight Pulleys on a Beam: Doubling of Power Along a Cord
- Two Pulley Systems: How Four Pounds Loads the Top Cord
- Pulley rigs and the weight a cord must bear
- Oblique beam held in place by two weights, one via a pulley
- Weight hung by cords versus weight on rollers
- Raising 100 lb up an incline; the labour of the screw
- Beams, pulleys and counterweights; weighing the blow
- Ten timbers bent into arcs by weights and tie-rods
- Why the overbalanced wheel cannot turn forever
- Wheel for Perpetual Motion: Rebound of the Counterweight
- Wheel for Perpetual Motion: Weight Beyond the Pole
- Wheel for Perpetual Motion: Eight Balls in Twelve Channels
- Wheel for Perpetual Motion: Proof of Impossibility
- The Center of the Weight Rests Below the Pole
- The law of the balance-wheel and its force
- A counterweight turning a train of wheels
- Crank-driven shaft raising weights by pulleys
- Weight Raised by a Large Screw
- Balanced Rods and Weights on Pulleys
- Why a small auger needs no guide but a large one does
- Why a fast-spinning pierced body does not hide what is behind it
- Rod-and-pulley weight systems; a fountain spouting from three pipes
- Winding beam that raises one weight as it lowers another
- The perpetual-motion wheel: finding where its weights come to rest
- Weight Hung by Many Cords from a Balance Beam
- Balancing Three Weights with Two Counterweights
- Placing an 8-Pound Counterweight Against Three Loads
- Weighing by Percussion Along a Hinged Arm
- Weight of Balls on a Support of Varying Obliquity
- Experiment to Measure the Force of Percussion
- Moving and moved weight over a pulley
- Experiment on thick vs. thin fulcrums and ease of motion
- Suspended rod balancing weights at m, a and n
- Three weights raised on a rope through pulleys
- Pulley weights and the law of constant resistance
- Will two weights lift the load f? A pulley problem
- Weights on Pulleys and How Much They Lighten a Load
- Motion of a Ball Along the Chords of an Arc
- Making a triangular balance
- Loads on cords bent over pulleys
- Cart wheels and the ease of hauling
- The greatest ease of motion: friction and the wheel on its axle
- A perfect circle touching a plane at a single point
- A falling cube and equivalent pulley systems
- A wire-drawing die and rods sustaining weight
- On friction: its simple and composite kinds
- On Friction: Thin Media and Rollers That Ease Rubbing
- Wheel for Perpetual Motion
- Pulley and cord: how the cord's angle changes the force
- Center of Gravity of Balance Arms
- Weight and the Resistance of Its Support
Codex Forster III59 pages
- Faint studies of a suspended rod and a device
- Concentric circular mechanism with an axle, faintly drawn
- Square frame of four crossed rods, a circle at each crossing
- Blocks joined by a rod
- Pinwheel or vaned wheel (girandola)
- Mechanism with a wheel and rods
- Screw-held tilting mechanism with a heavier arm
- Excavating machine with a double pulley for lifting spoil
- Diagram for excavation works with tools a b and n m
- Cutting a groove in the 'grotta' with a toothed rake
- Passavolante and pincers: two problems of force
- Indeterminate Sketches: Hatched Form and Line Studies
- Studies of Circles and Wheels, Possibly Mechanisms
- Jointed semicircles and a circle inscribed in a square
- Allegory of Ink and Paper, with a Note on Air Resistance
- Two drilling devices: a drill and an auger
- Timber pieces cut with interlocking joints
- Carpenter's joints, tools, and a red-chalk furnace
- Interlocking joints for a lock; a definition of impact
- A sieve seen from afar; a pulley mechanism
- Reading a Hidden River-Bed, and a Recipe for Oil
- Weight-Pulling Machines of Equal Power, with a Hydraulic Wheel
- Sketches of Mechanisms
- Rough sketch of a mechanism in red chalk
- Spring bolts (chiavistelli con molle)
- Bell with ringing mechanism, and a decorative design
- Cloth-shearing machine, with a maxim on necessity
- Device for weighing the force that turns a millstone
- Device for weighing a fall of water
- Experiments on the motion of turning wheels
- Hammer Driving a Nail into a Wooden Frame
- Bolt-Latch Rod and Vault Geometry Schemes
- Machine for hoisting roof and floor beams
- Canal Lock Gate with Stone Abutments
- Canal Lock Gate with Operating Gear
- Intermittent-motion gear with a stepping wheel
- Screw-and-cogwheel mechanism with plan views
- Curvature of the Earth, Towers, and Mechanisms
- Blank leaf (folio 64r)
- Shearing Machine, Pulley Weights, and a T-Instrument
- Interlace Knot Ornament and a Rod Joined to a Curve
- A knife cutting a ball
- Weights suspended from angled rods
- Cords on rollers: what weight at m lifts 10 pounds at n
- Hippocrates on semen; a mill rod; reflected colour
- Mechanism for opening a water sluice
- Cross-armed hub mechanism
- Geometry of a screw thread and its pitch
- Calculating the power of a screw and lever
- Force of pulley blocks, with arithmetical notes
- The force of pulley-blocks and how to reckon it
- Load, lever and winch: proportion of weight to force
- Multiplying body-weight by the wheels of a tackle
- The pulley wheel as a perfect balance
- Balancing unequal counterweights; a moral aphorism
- Calculations for a tackle: rope drawn versus load raised
- Force, weight, time and motion in tackle blocks
- A twenty-wheel pulley train and its windlass
- Pulleys and the Windlass: Cord Gathered in Lifting
Codex Madrid I259 pages
- Eccentric cam-wheel and the flaws of machine motion
- Cranks on a shared bar: the problem of full rotation
- The teeth of wheels and why clocks keep unequal time
- An inclined rack, a crown-gear, and 'contrary rubbing'
- Where an arch breaks, and the true running of rollers
- On Wheels: Gear Trains and the Matching of Teeth
- Verb List in 'abb-' and the Power of Gear Teeth
- A Spring-Driven Toothed Drum and the Unequal Force of Springs
- The 'Mistress' Balance and Tests of Springs and the Screw
- Gear-Tooth Contact, Leverage and Friction
- Gear Teeth, Clock Timing, Joints, and the Sun at the Horizon
- The Common Center of Earth and Water; a Bell Motion
- Why a Sunlit Sphere Casts a Columnar, Not Conical, Shadow
- Proportioning Gear Teeth Between a Large and Small Wheel
- Linkages that Convert Lifting into Sliding Motion
- Motions for Clockwork: Contrary, Reciprocating, Push-and-Pull
- Springs, a Screw and a Quarter-Circle Among Machine Elements
- Clockwork devices and a definition of discontinuous motion
- Clock spring, ratchet teeth, and self-releasing weight hooks
- One-piece link chains, circular springs, and raising water
- Great wheel driving a lantern pinion with a counterweight
- A wheel best kept near its poles; crank-and-rod motions
- Meshing lantern-pinion teeth; right and left motion
- Hour-striking clock mechanism and counterweight balances
- Worn pivots and the best bearings for wheels
- Wear of gear pivots, steel bearings, and tooth ratios
- Gear-train directions, spring winding, and gimbal rings
- Spring winder with worm screw, and centerless wheels
- Making a clock's mainspring, and rules for screws
- Spring-and-screw mechanism with a self-shifting locking key
- Rules of gearing: pinions, wheels and direction of turn
- The fusee: equalising a spring's diminishing force
- Gear trains, shaft torsion and skewed tooth-meshing
- Reciprocating motion from a one-way handle (7th species)
- The endless screw for safe hoisting; a saw drive
- Screws that push and pull, and weight balanced on its pole
- Gun-lock firing mechanism, endless screw and springs
- The perpetual screw and its equality of force in clocks
- Reversing gear-train and the balance of a loaded screw
- Gear-tooth wear and a one-way ratchet clutch
- Wooden-ball bearing and the turning of pinions
- Intermittent Reversing Gear and the Momentum of Flywheels
- Two Flywheel Mechanisms with Shaft, Roller and Toothed Rack
- Self-Gripping Lifting Tongs that Hold Tighter Under Load
- Harnessing a Tall, Thin Waterfall to Drive a Bucket Wheel
- Cord Drives versus Toothed Gears: Silence against Din
- A Giant Auger for Boring Holes in the Ground
- Toothed wheels driving sliders along channels
- A lifting jack and the force needed to raise a weight
- Cluster of tubes on a screw shaft, with dividers
- Wooden water conduits and pump pipes
- Rollers versus balls, and the bending of loaded supports
- How wheels drive one another and their turning
- Clock counterweight and transverse motion from one wheel
- A striking clock: the going train and hour-striking gears
- Two devices for slow reciprocating motion
- Motions of unequal force from off-centre driving wheels
- Varying power in an eccentric drive and a two-wheel gear
- A pinion that advances, returns and rotates in a ring
- Wheel driving an axle in and out through a slot
- Half-toothed wheel and twin pinions driving a reciprocating axle
- Odd-toothed and half-toothed wheels for controlled turning
- Types of pivots and a vane that catches the air
- Push-and-pull wheel motion and a weighted water tube
- Weighing lead against water: a specific-gravity experiment
- Hauling weights on wheels: line of traction and a twin-nut screw
- Tall hoisting frame and the plan of a cart's wheels
- Loading a bombard onto a cart: Lombard and German methods
- Screw versus wheel: equal work by two men in one hour
- Worm screw driving a toothed rack
- Geared windlasses with toothed wheels for hoisting
- Compound levers built from toothed wheels and pulleys
- Raising a spar: the level line versus the oblique
- Instrument fitted to a beam's end to raise it with a lever
- Beam that raises itself by rocking on a toothed post
- Rotary hauling machine that pulls loads of any shape
- Spring-driven gear drum with tempered spring and turning spool
- Medal-stamping press and the impact of a single-tooth lifting wheel
- Rustic military bridge of lashed branches and an endless screw
- Horse-driven walnut-oil mill with striking pestles and wedges
- A train of nine wedges and the halving of impact force
- Key-operated grappling hooks, pivot motion and hammer percussion
- Rope-and-stirrup device for climbing from low to high
- Why clocks run slow in damp weather; force along the line of motion
- Keys, latches and screw-jacks for lifting
- Springs and counter-levers acting on an iron catch
- A spring lock released by a key, and coupled lever motion
- Primary and Derivative Force; a Four-Wheel Gear Train
- Force as Line and Arc: an Eightfold Proportion
- A Screw-Bent Saw for Cutting Iron; Crossbow Force Ratios
- Sending a Thing Aloft by the Force of Wind
- Boring tool, plane-iron, and canvas-stretching frames
- Two forked iron implements and a spoked wheel
- Compound screw with seven nuts and the 'sophistic wheel'
- The reversed screw (vite retrosa) and a self-moving cart
- Marking a point on a spinning wheel; laws of gravity
- Ricochet of bombard balls and a 700-pound ball's 28 bounces
- A spring-driven clock escapement tooth
- Wedge joints and the two-piece pivot of a compass
- A device to break a fall: percussion cushioned by wool
- Percussion and bounce; a tool to draw out a crossbow bolt
- Studies of the bent lever and its lifting forces
- Wind-driven gimbal to keep a man upright on a hill
- Apparent speed of runners; weight over a wedge
- Friction and the motion of weights over planes
- The spinning machine: bobbin, flyer and the twisting of thread
- An axle borne on two wheels, and a large geared wheel
- Self-closing door latches, hinge-straps and screw fittings
- Door hardware and a screw-press: locks, bolts and force
- A spinning machine for eighteen women: wheels and gearing
- Pulleys for lifting weights and a geared train
- The 'wheel of augmentation' machine
- The fall of water onto mill wheels
- A man-powered treadwheel and cart-wheel motion
- Clock hammers, the worm screw, and equal effort on a bar
- Balancing a heavy body with oblique cords; a man-powered mill
- The balance: equal weights and the angle of the cords
- Friction on a Loaded Cord and a 'Sophistic Motion' Device
- Tapered Rollers, a Cord-Breaking Ratio, and a Mirror Template
- Weights on cords and levers: a general rule of proportion
- A weight on a pulley finds the middle of a slack cord
- Springs for locks: weak-and-wide versus strong-and-short
- Free Fall and the Articulated Lever
- Wheel that Drives a Screw Now Right, Now Left
- Bending a Composite Beam by Screw; Launching a Rocket
- Plan for a Treatise on the Screw and its Lever
- The Simple Beam-Balance and a Furrow-Straightening Plough
- Balance-beam experiments and a rule of division
- Making sword-scabbard boards from green wood
- Self-disengaging screw-and-nut mechanism
- On the bending of springs; tempering iron; dragging loads
- Springs and the fusee: equalizing a spring's force
- Jack teeth, dragged loads, and crossbow springs
- Crank handles converting rotary motion into saw-like reciprocation
- Screw and windlass: obliquity of the thread and lever proportions
- Resting angle of a leaning beam; gear trains for contrary motions
- Balance with pyramidal arms; distinguishing weight from cord-force
- Counterweights on a balance and the infinite
- A rope-and-lever linkage that raises a foot
- Mechanical sketches: linkages, screw press and wheel
- Tools for cutting male and female screw threads
- Cam-wheel and trip-hammers (faint leadpoint study)
- Cam-wheel raising three hammers
- Cones that raise a wheel's teeth to turn it
- Steering carts and three rotating loads
- Crossbow release and the lever of a screw
- Force and motion of the lever and screw
- Percussion and circular motion of water in a vessel
- Gear-tooth durability and a device to lock a power
- Door-latch and lock mechanisms; form follows function
- The man-treading wheel: body weight versus force in hoists
- Wheels and lantern-pinions: tooth counts and direction of drive
- Faint machine sketches on 97v; folio 98r left blank
- Balances on pivots and the key mechanism
- Six one-pound weights and their counterweights
- Fixing pivots with simple and double wedges
- Wear of mill-lantern spindles and ox-horn oiling
- Types of pivots, including a universal joint
- Pivot bearings and gear-tooth lever engagement
- Three balls under a pivot beat four: wear and friction
- Anti-friction wheels stacked to infinity; steel pivots
- Wear of pivots by position; two contrary motions
- Friction reduced toward infinity; a giant calculation
- Silk-winding machine with worm gear and spring tensioner
- Spring-Driven Reels for Winding Thread and Braid
- Spring-Wound Reels and Bobbin Details
- A Wedge Running in a Channel to Press an Object
- Weights on Cords and a Screw for Forcing Things Apart
- Gravity, Resistance, and the Beginning of Motion
- Two Roman Amphitheatres Revolving to Form a Theatre
- Instrument for Boring a Mountain So Both Bores Meet
- Of Water: Why Water Driven Under Water Does Not Whistle
- Of Water and Weight: Floating Wood and Shapes in Currents
- The Power of Percussion: Hammers, Impact and Weight
- Reducing Friction on a Pole, and the Thrust of Arches
- The Restless Sphere of Water, and Movers versus Moved
- A Weight-Driven Table Fountain and the Force of Compressed Air
- Nature of the Motion of Water: Two Fountain Machines
- Clock Mechanisms and the Air-Braked 'Tempo' Regulator
- Teeth and their alignments in meshing wheels
- A tripled pawl tooth and its spring on a retaining wheel
- The ritenaculo: a ratchet wheel and its serving pawl
- Form of gear teeth and wear of axle-pivots
- The pivots of wheels: friction, wear and lubrication
- On teeth and toothed wheels: the square-tooth construction
- Axle-pivots: wear, bearing metals, and balancing a crank
- Screw-driven toothed wheels and a diamond-tipped drill
- Dividing wheels into teeth and sizing wheels to pinions
- Gear teeth, toothed wheels, and the pinion
- The screw and friction; screw power measured by the lever
- Measuring the force of the screw and its triple friction
- Why loads roll easily: axle friction and the lever
- Wedge-and-tooth haulage, likened to a screw
- A crank that turns a wheel one way; a floating ship
- Axle natures; why a multiplying wheel hinders water-raising
- The nature of water: pipe width and the height it rises
- Rebound, water in pipes, bellows, and lifting by descent
- Studies of a heavy beam moved on rollers, wheels, and sledges
- Why a hammer-blow fails to drive an iron peg from wood
- Finding the center of gravity of a triangular pyramid
- Force-pyramids and the true centre of gravity
- Impact of Balls, a Water Splash and the Wearing of an Axle
- Winding Wheel, Roller Between Pulleys and the Carmine Device
- Which fall of water strikes a wheel hardest
- Beam deflection, water weighed in a pump, and stable supports
- A balance instrument and beams resting on beams
- Levers, counterweights and a self-closing door
- The Right-Angle Rule, Centre of Gravity of a Raised Beam, and the Wedge
- The Percussion of Water and a Bladed Mill Wheel
- Definitions of gravity; a glass-tube quicksilver balance
- On weight (De peso): reworked definitions of gravity
- What weight and its centre are; impetus and a clock vane
- An overbalanced weight-wheel and its percussions
- Why the weight-wheel is 'sophistical' and will not turn
- Screw-jacks, wedges, and driving oblique-pointed piles
- Lombard water-mills and the fall of water on the wheel
- On the counterweights of clocks
- Centre of gravity of the pyramid; levers, beams and loads
- Why tall columns and loaded ropes fail; ropes in pulley tackle
- The imperfect pivot of the balance; proportion of weights
- Gears, worm-screws and clock movements; where a rope breaks
- Distribution of a hung weight between two angled cords
- Defining the line of motion and the line of gravity
- Accidental weight, called force; balance diagrams
- Transverse motion of a weight; lifting a long load by its centre
- Gravity toward the centre; balls falling by different slopes
- The balance law and a water-driven mirror polisher
- Rule of Weights and the Compound Motion of a Toothed Wheel
- How the Thickness of a Cord Shares a Suspended Weight
- The Simple Beam of a Balance and Where Its Weight Lies
- Suspended and Angularly Supported Weights
- Oblique versus level windlasses
- Windlasses, rope-drums and the pressure in a bag
- Plate of beam, winch and pulley figures
- Balance-arm diagrams: proportional weights and pulleys
- Load carried by pulleys and little wheels on a shared cord
- Folding wooden joints for portable tables and pavilions
- Weights over unequal wheels, and the friction of dragging a beam
- Weight, rope and roller: why unequal diameters foil the motion
- Weight, blow and the multiplying wheel
- The longer the cord, the easier the sideways pull
- Percussion and rebound: how a blow spends its impetus
- No machine multiplies power: agent and patient weights
- Levers, screws and counterweights: force cannot be increased
- On contact and motion: friction of a sliding weight
- Raising weights by inclined plane, pulley, screw and capstan
- Wheels, axles and the perfect sphere at rest
- The law of the balance and motion on wheels and rollers
- On the Blow: united and disunited percussion
- On the Blow: how struck iron and cubes deform
- Blow and Force as accidental weight
- The Counter-Lever and the Rebound of Struck Balls
- Blows, the Counter-Lever, and the Force of Turbid Water
- The Arrow and the Bowstring; Rebound Angles and the Oblique Body
- The Revolving Arm and an Experiment on the Lines of Motion
- Falling Bodies, the Strength of a Cord, and Friction
- Percussion of falling hammers and the gain of the screw
- Centre of gravity, the windlass lever, and swifter wheels
- The common centre of gravity, and a press for terracotta 'pastelli'
Codex Madrid II54 pages
- Large Timber Machine with Wheels
- Cost of Excavating the Fortress Ditch and Foundations
- The Ema and Arno on a hill sketch, with a red-chalk device
- The stamp of the flax-brake: five ways to gain power
- The blow amplified by a rebound motion
- Sailing boats, wind force, and fortress-cost notes
- Faint Chalk Sketch of a Beamed Framework
- Faint studies of turbulent water and frame structures
- A radial wheel of tubes filling and emptying
- A windmill built entirely of cloth, with its costing
- The Force Needed to Move a Cart
- A water-organ: harmony from falling water
- A windmill, a wedge's centre of gravity, and mean proportionals
- Balance of two weights and the lamp's wheel
- Studies of two sailing boats
- Squaring Triangles and the Volume of Pyramids
- Wind striking a wheel; further rectangle constructions
- A single bell keyed and struck to sound like four
- Harmonic instruments: bagpipe, organ and a mechanical viola
- Of the flyers: bearing weight and the wing that lifts an eighth
- Spoked wheel, building sketch and a letter fragment
- Founding in the Sea, and the Port of Piombino
- The Castellan's Secret Passages and a Hexagonal Fort
- Iron Portcullises, Machicolations, and Low Entrances
- Gun-Embrasures and Defense of Mine-Galleries
- Outworks and Mortar-Proof Towers
- Equating a Curvilinear Right Angle, and a Retractable Bridge
- Strain in a Rope over a Pulley, and Refining Gunpowder
- Where a Loaded Rope Breaks: Coils, Weight and the Pulley
- Mechanical Advantage of Pulley Tackle and the Point of Rupture
- The science of the cord: how a rope bears weight and where it breaks
- Cords of a tackle-block: which rope breaks, and the reflection of wind
- Center of gravity of a cord over a pulley, and hovering in a scirocco
- Faint sketch for laying out a screw thread
- Marking out a screw thread by hand
- A Spring-Lever Device for Motion "Without a Lever"
- Naming the Parts of a Ship's Rigging
- Sketches of a Lateen Sail: Fore and Aft Bowlines
- Sailing from a Northeast Wind toward the Southeast
- The Lateen Sail Named Part by Part
- How Close a Ship Can Sail to the Wind
- Sailing to Windward: Tacking a Ship Against the Wind
- Points of Sail: Quartering Wind and a Straight Course
- Winch of the Sea and of Ships (Argano di mare)
- Casting the Sforza Horse: mould lining and bronze delivery
- Casting trials: mould material and why the horse stands upright
- Casting the horse inverted: access door and pouring sequence
- The core vent and the shape of the melting furnace
- Founding recipes: salt, flux, fires and mould coats
- Device for carrying and lowering the horse-mould cover
- Universal method of lowering the horse-mould by winch
- Armature of the throat and body of the horse-mould
- Removing the horse-mould cover and carrying it away
- Iron fittings and chainings of the mould's armature
Codex on the Flight of Birds11 pages
- Mechanical Science, Balances, and the Centre of Gravity
- Flying above the clouds; the sinews of an artificial wing
- Building the flying machine: strong joints, silk cords, no iron
- The Wing-Bone as a Wedge; a Rudder to Cut the Wind
- Studies for the Wing of a Flying Machine
- Finding the Bird's Center of Gravity
- Persuasion for the Undertaking: The Power of Wings
- Rowing the Wing Down and Back; the Gliding Wing Edge-On
- The Wing Mechanism: Foot and Hand Row and Feather the Wing
- The Wing in Flapping Flight: Elbow, Air-Wedge and Oval Path
- Wing Study, the Diary of Lorenzo, and the Prophecy of the Great Bird
Paris Manuscript A21 pages
- Blows, levers, and turning a great screw
- Percussion studies and a compass proportion puzzle
- Screw threads, a weighted bellows, and compass constructions
- Geometry: radius of an arc, a perpendicular, and a self-stopping door
- Concave mirrors, reflected heat, and a bellows to make cold
- Measuring the sun's height and distance from two hilltops
- The rolling wheel, weight, and the causes of motion
- Blow and weight: balls in corners and a cube-doubling method
- Against perpetual motion, balances, and the fall of bodies
- Force and motion: the limit of a mill wheel and the mounted crossbowman
- Experiments in weight and motion: falling bodies, water, and lifting
- How weights press, and the advantage of machines
- De Ponderibus: Experiments on Weights and Supports
- De Ponderibus: Suspended Weights, Levers, and an Arch
- Loading and Strengthening Round Arches and Ogives
- Levers, Pulleys, and Why a Long Rope Cannot Be Pulled Straight
- Methods of weighing and bodies rolling down an incline
- On blast and noise, and the balancing of weights
- Flow through narrowing channels: crowds, syringes, gears, and waves
- Compound pulleys, rope motion, and a half-lit aperture
- The circular balance and compound pulley systems
Paris Manuscript B90 pages
- Ballistics Experiments, a Domed Church and the Physics of Sound
- Weapons and Lifting Devices: Falarica, Crossbow and Hoists
- Falarica engines and a caisson for emptying a harbour
- Curved mirrors and throwing-engine mechanisms
- The rohmphea: a spiked plank dragged by a heavy stone
- Crossbows, catapults and the scorpion engine
- Catapult with its spring-loading device
- Slings, poison darts, the rohmphea and the bow
- Vault geometry, a glass-bell casting and river-crossing floats
- Naval devices: a ram-ship, a counterweight machine, hull studies
- Dividing the circle, a geared mechanism, a lamp and a violet
- Flower study, a pentagon construction and soldering lead roofs
- A washhouse and heating stove, with beam-load experiments
- Barred-door interior, a slow-fire canister and nested spheres
- Two Church Plans and a Diver's Breathing Apparatus
- Pumps for Raising Water, and a Self-Feeding Fireplace
- An Alarm Water-Clock, a Mast Hoist, and Window Designs
- Wall-scaling devices, a chest lock, and octagonal churches
- Domed round church with eight chapels; furnaces for spheres
- Domed centralized church, mechanical joints, and a casting machine
- Counterweight door, a self-feeding hearth, and a fortress tower
- Fortress ravelin and a breech-loading bombard
- Raising water up a mountain with a wheel and jet-pumps
- One-man saw for large beams; notes on motion and weights
- Dividing a circle into equal parts; a crossbow and composite beams
- Constructing a nonagon; a cross-lap timber joint and river-bank roads
- Ferry-boat for fording and a steel blowgun
- The Architronito: Archimedes' steam cannon
- Box-wheel engine, non-recoiling bombard, and a mantlet
- Box-wheel and clockwork studies, with a stone-thrower
- Painters' staging, whitewash brushes, and a drawbridge
- Ground plan of a basilica, with choir
- Ideal-city palace, a lifting crank, and a laden cart
- Machinery for a clean horse-stable
- Design of a Clean Stable in Three Aisles
- Iron-Mine Bellows and Galley Firearms
- Augers for boring beams and spiral stairs around a tower
- Lifting crane and boat-mounted cortaldi with a fire scythe
- Mud sledge, ditch-emptying crane and rivellino plan
- Rope-ladder wall assault, rough-terrain sledge and auger
- Fire ball, incendiary dart, viola organista and clock springs
- Battering rams, wall-machines, and a load-cart on rollers
- River spur, weir facing, a stone auger, and fast earthworks
- Dividers, an Archimedean screw and pump, a moated fortress, and a winch
- Chimney sections and a revolving, ventilated latrine
- Water-raising pumps and a water-pressure gauge
- Pendulum pumps for raising water, and a scatter-shot bombard
- Paternoster chain-pump, a festival dome frame, and a foot water-jet
- Two church plans, a quadrangular fortress, and wall defences
- Machicolations, a ravelin, a fortress plan and compasses
- Upper part of a tower and the 'secret of the compass'
- War machines: charging armoured horses and cluster bombs
- Scaling a fortress by night: climbing irons and stakes
- Fortress tower, mountain ditch, and counterweighted drawbridges
- Camels and horses fording rivers on inflated skin-floats
- Wicker boats and skin-float pontoons for crossing rivers
- Surveying Levels, Wall-Piling and an Arched Gallery Mouth
- A Water Level by Sighting and Two Earth Augers
- Instruments for Measuring a Difference in Level
- Pile foundations and a wall to resist river banks
- Demolition tools, a double saw and a leveling sight
- Tools for excavating and founding buildings
- Pile drivers and building a bastion by night
- Screw-cutting machine, bells and a jetting fountain vase
- Screw hoist for raising a bell into its tower
- Screw-jacks and a worm-driven rack for lifting
- Components of a geared lever; moulds for gun-shot; calculations
- Worm-and-wheel gear turning a fork; a ditch-digging note
- Variant worm-and-fork gear, with cast-iron screw and gear ratios
- Flying machine for a prone man, with a valved wing
- Perforated wing and its construction in three zones
- Foot-powered flying machine, to be tested over a lake
- Ornithopter wing worked by cords, with neck-mounted rudder
- Fireproof bastion, ship-capsizing mast, and a leaning-beam problem
- Scorpion-launching naval bombards and a flying-machine drive
- Flying-machine drive, covered paddle-boat, and a geared cart
- Screw-lift for the flying machine and force-multiplying carts
- Pilot in the flying-machine frame and armed reeds for the wings
- Hoisting tackles, coupled bombards, and a festival pavilion
- The prone-pilot flying machine and its driving gear
- The great flying machine with the upright pilot
- Furnace, riverbank palisade, and a water-and-air bellows
- Webbed swimming glove and a leather survival suit
- Leatherless water-driven bellows, in four parts
- Circumfulgore ring of bombards on a ship, and the vinea
- Paddle boat and a ring of short guns on a lance
- Man on a Lever Rig Producing 1,250 Pounds of Force
- Testing the Lifting Force of a Great Flapping Wing
- Curved Sprung Legs for the Flying Machine
- Propulsive Mechanism of the Flying Machine
Paris Manuscript C2 pages
Paris Manuscript E37 pages
- Finding a lodestone's north pole; problems of the screw
- Cords Hanging Between Pulleys and the Pull of the Sag
- Force and Accidental Weight: the Lever, the Spring, and Rectangles
- The resistance of spring-like supports
- Water Instruments: Flow Through Pipes
- Water Instruments: The Archimedean Screw
- Water Instruments: Obliquity of the Screw
- Recipes for Moulding and Casting an Arc
- Painting: Shadow, Colour, Relief, and the Shoulder in Motion
- Pulley-block loads and drawing the figure's ages
- The load and motion of five pulley-block cords
- On the Weights of Pulley-Tackles
- The Perfection of the Cube; Friction of Pulleys on Their Axles
- Squaring a circular sector; balance and pulley mechanics
- Apparatus for a great ventilator, and pulley-cord levers
- A great hinged valve and water-bellows with cloth flaps
- On compound impetus and the three kinds of friction
- The wing's 'rudder' and the ship's rudder: how birds steer
- On Weight Distributed Along a Sustaining Cord
- Weight Drawn by Tackles; Compound Balances
- On Gravity and Its Supports
- On the Heavy Body: A Cord Feels Double Its Load
- On Weights: Beginning of This Book
- Where the arched cord separates from its pulley
- Weight of a Beam and the Eight-to-One Balance Arm
- Real and Potential Arms of the Balance
- Finding the Center of a Suspended Body
- Weights on an Angled Cord: Four Demonstrations
- Of Gravity and Its Order: Levers and the Balance
- Weights on Cords over Pulleys and the Intercentric Line
- Bodies falling through air; a cord feels double its weight
- Dividing a suspended weight between two cords by geometry
- Bellows, Steelyard and the Mechanics of Lifting Arms
- Pump and Balance: Weight, Motion and Lifting Water
- Weights on inclined planes and a cylindrical bellows valve
- Dredging machine for excavating marsh mud onto boats
- Air pump with valves and a lever to raise water
Paris Manuscript F19 pages
- Weights on a balance and a cart with double motion
- Weight on a Wheel, Clock Timing, and the Shape of a Plunge Pool
- A Mill Sluice with Overflow Channels
- Water Striking Obstacles, and a Refutation of Epicurus on the Sun
- A Program of Questions on Water and Waterwheels
- Measuring the Sun's Size, and Mocking Epicurus
- Draining coastal ponds with artificial eddies and siphons
- Drying sea-bordering ponds with siphons and eddy machines
- Water flow through a nozzle and an eddy-driven machine
- Rising jets of water and a fire-driven lifting device
- Deepening a canal, and a movable weir that scours the bed
- Design for a rectangular crystal reading lens
- Power, load, distance and time in moving bodies
- A leaf turning in a current; a water wheel struck by falling water
- Machine for Hauling a Tree Trunk from the Water
- Weights in Water, a Potter's-Wheel Clock, and Waves
- Concave versus convex canals; a spoked hydraulic wheel
- Recipes for varnishing and moulding imitation cups
- Aphorisms, green-pigment recipes, and a bone flask
Paris Manuscript G53 pages
- Gearing of a grinding mill
- A Screw-Clamp Device; Low Boughs Bending to Earth
- The ramification of trees; a plumb-line leveling instrument
- On friction: a shaping template and its grinding apparatus
- Geometry of the Triangle; Ropes in Pulley-Blocks
- Force versus weight: the spring and the counterweight
- On painting: bodies should not be outlined
- Siphons and Trick Drinking Vessels; Warm vs. Cold Water
- Self-Feeding Oil Lamp; Division of a Pyramid
- Coining machinery for the Mint of Rome
- Squaring the lunes; a water-driven template machine
- A mercury siphon clock; drawing a circle through concurrent lines
- Instruments for shaping templates and a rasp lathe
- Water-wheel machine for polishing a concave form
- Furnace with a liftable dome and a swinging template
- Pulley-and-former mechanism for shaping a concave surface
- A lake's sudden outflow, and a quicksilver siphon to make fire
- Draining harbours by caissons; a rotating profile-template
- A machine for grinding and polishing a curved metal surface
- Relative motion of an arrow at sea, and measuring a ship's speed
- On percussion: hammer, nail and the coining die
- Pyramidal casting for a wire-drawing die
- Drawplate armature, edge-power ratios, and an angle-sighting device
- Why drawn iron wire curves and twists
- On simple impetus; the drawplate's tempered edge
- Impetus, and Parts of a Metal-Drawing Machine
- Machinery of the Metal-Drawing Mill (Trafila)
- On Percussion: Air Compressed Beneath a Falling Body
- Metal-Drawing Mill Against a Curved Wall
- The Descent of Heavy Bodies; a Tumbling Board
- Stucco recipes and a revolvable shaping template
- Draw-plates, weights on a double incline, and soldering copper
- On furnaces: kilns for casting plates and vessels
- Of Tackles: Where a Loaded Rope Breaks
- Of Tackles and Ropes: Speed, Load and Breakage
- Of Tackles: More Pulleys, More Mechanical Advantage
- Tackle-blocks and forming metal plates over a mould
- Six laws of force and motion in pulley tackle
- On impression: soldering and smoothing curved copper plates
- Covering a sphere of four braccia with parallel plates
- Roller machine with pyramidal beams for shaping plates
- The power of the cut: subdividing a four-braccia square
- On Soldering: Copper Sheets and the Cathedral Ball
- On Pulley-Blocks: How the Ropes Share the Load
- Moving a Pulley About Its Pole vs. With Its Pole
- Wheel segment with spout K and an open-sided case
- Red-chalk sketch of an unidentified machine
- Water-raising machine: wheel, pump and square frame
- Wheel machine in water, with a note on tides
- On weight: the mechanics of pulleys and tackle
- Squaring the circle; a water-raising machine and pulleys
- Mechanical measurements, a ruler, breathing, and mathematics
- Sketch of an extensible scissor (lazy-tongs) mechanism
Paris Manuscript H98 pages
- Latin conjugation of 'amo' and a note on a lockable joint
- The viola organista: a spring-return bow mechanism
- Sketches for the viola organista: head and keys
- Viola organista parts; channel eddies and riverbed
- Orbital-trestle crane and the yearly water cycle
- Mill channels and how water strikes the wheel
- A watering can, with maxims on memory and rebound
- Tilting crucibles and a watercourse detail
- Mill Wheel and Double Timber Trestle for a Watercourse
- Hinges and a River Barrage: Iron Worn by Running Water
- Mechanical apparatus lettered C, R, N
- The same mechanical apparatus, repeated
- Beams over crenellated walls and a strong floor
- Laundry building and the erosion of a divided current
- Arm and pulley force studies, with a fable of the lily
- Design for a field pavilion tent
- Design for a conical camp tent
- The viola organista and its mechanism
- Sluice gate seen from the front and in plan
- River currents, water level, and an apparatus of cylinders
- The oyster, the rat and the cat; gauging raised water
- Grinding mill, paddle-wheel beam frame and channel profile
- Water Striking a Mill Wheel
- Fall of the Martigiana canal and a river-bed depth note
- Sketches of Mechanical Parts and a Pulley
- Two Screw-and-Nut Devices and the Decay of Sound
- Screw for Lifting Weights, with Pulleys and Pile Driver
- Two Water Wheels and a Hydraulic Pump
- River gravel and the force of a paddle wheel
- Water conduit and the balance of forces on a wheel
- Elements of the folding wooden pavilion of Vigevano
- Pavilion corner and bolt; water falling over an angle
- Water wheels: which the current drives best
- Pile-drivers, pulleys and a drawbridge: studies of weight
- Perspective rule, arches, a pile-driver and its costs
- Hydraulic wheel and eddies below a fall of water
- Lantern-pinion and toothed wheel: tooth wear and force
- The larger pupil sees luminous bodies larger
- Method for the waters, a roller gear and a columned frame
- A screw-driven machine; water flows fastest at the surface
- Memorandum of painter's materials, with a spoked wheel
- Pigment recipe and mill accounts, with a hinge
- Plan of an oven with its measurements in ounces
- Oven drawing with lettered dimensions, a profile head and spelling drills
- Full plan of the oven with all dimensions in ounces
- Instruments for orientation: a level, a sundial and a bell device
- Moral emblems and a pendulum hammer
- Device for spanning a crossbow
- Crossbows fitted with a spanning device
- Peg-lifters driven by scroll wheels
- Gears, an interlace design, and a head in profile
- Decorated Belt and a Toothed-Rod Device
- The Viola Organista and Its Details
- Cart for Transporting Arquebuses; a Truss
- Loading a Bombard onto Its Cart, Seen from the Side
- Bench vise and a sectored-circle mechanism
- Compass and a mechanical device
- Balanced hoist
- Ordinary and proportional compasses
- Spingarda with a note on the cat's eye at night
- Study for a reciprocating mechanical saw
- Devices for alternating motion and a raisable platform
- Two gear-pairs with retaining teeth for alternating motion
- Variable-ratio gear drive; plan of the Sforza Castle, Milan
- Study of a variable-ratio transmission
- Further studies of a variable-ratio transmission
- Fable of the peasant and the vine; gears for alternating motion
- Gear-trains for producing an alternating motion
- Beams shoring earth; rack-and-pinion reversing gear
- Cart weight-load diagram and toothed-rod motions
- Framed mechanism and a perpetual-motion wheel
- Pin-wheels, gearing and a possible escapement
- The heaviest part guides motion; saw and arrow
- Studies of Compasses and Their Parts
- Compass Heads and a Rod Hung by Three Cords
- Emblem of a Censer: 'Terrible and Sweet'
- Hook-and-Pawl Mechanisms for Locks
- Undetermined Mechanism, Hook-Catch, and Architectural Elements
- Two Crank-Operated Devices with Saws
- Springs(?) and Undetermined Devices; Ornamental Motifs
- Cart parts: fixing the side-rail to the axle
- Rack-and-pinion lifting device and a cart part
- Cart construction: levers clamping the rail to the axle
- Hydraulic conduit with a filling-and-emptying sequence
- Timber joints, a screw device, and a water-weight query
- Parts of mechanical devices: toothed wheels
- Back-eddies that lay down earth, with sums and a cart part
- Rod suspended on two cords, plank tiers, and figures
- Parts of a cart and a horse's profile
- Upper part of a cart, with a cost estimate in lire
- A cart drawn by two horses with a rider
- Gear device turning continuous motion into alternating
- Vertical screw turned by a lever; a hemisphere
- Cart for transporting bombards; harness fittings
- Horse's head with bridle and harness
- Harnessed horse with saddle and shaft attachments
- Apparatus for alternating motion; Latin verb endings
- Pulley proportion, a covered cart, and geometric lattices
Paris Manuscript I53 pages
- Circular-segment dispute with knot and chain sketches
- The effort of raising versus dragging a load
- Rotating cylinder with perfected pivots
- Screw-and-wheel gearing driven by a water wheel
- The centre of gravity and the balance of the water-screw
- Which pivot turns more freely? Angular balances and screws
- A drill for boring crystal, with screw and balance studies
- Ornamental shell, cartouche and honeycomb studies
- Note on the best pinion, and a houseleek-in-flames motto
- Peg wheel and worm screw; friction of the lantern pinion
- Toothed wheel and lantern pinion: turning and rubbing
- Egg-white and glue moulds for casting vessels
- Slotted kiln and vessel moulds; Paolo's rule on gears
- Lock for the Duchess's bath; the blow of a rebounding body
- Bolt, a counterweight door, and a pivoted rod with pulley
- Lifting mechanism with spring and screw
- Lifting mechanism; plan of the Milan castle moats
- Screw-and-lever hoisting mechanism
- Circle and square; infinite slowness and speed of motion
- Water wheel and spiral screw pumps
- Weights on rotating arms and on pulleys
- Friction at a pivot; a water cylinder and a bell balanced
- Oven and Heating Stove
- Fulling-Mill Shaft and a Prophecy of Lies
- Indeterminate figures: a wheeled device and a pod
- Why a pivot wears unevenly: the knife-grinder's wheel
- Waterwheel and lantern-gear pinion
- Rolling mill for thin tin plate
- Balanced bell on its pivot; columns and entablature
- Antifriction roller systems for a lever
- Rule for antifriction rollers; a bell rung by wind
- System of anti-friction rollers for a flywheel
- A River Whirlpool and an Anemometer (Wind-Vane)
- Vortices in a turning current, with clamped and joined rods
- Latin declensions, with three red-chalk mechanical figures
- Air submerged in water and its violent return to the surface
- Ripples in Still Water Versus a Moving River
- Does a bend in the race change the force that turns a mill?
- Wheels Driven by Falling Counterweights
- Counterweights for Doors
- Figure of a Hinge-Hook (Arpione)
- Regular Counterweights Compared to Water
- Sliding Rod in Supports, a Male Profile, and Pen Sketches
- Three Ball-Launching Devices: Impetus, Collision, Percussion
- A balance-and-catapult rig for testing throwing power
- System of opposed arches that tension one another
- Two carts pulled in different ways
- Degrees of pulling: from dragging to wheeled carts
- Friction of pivots versus dragging
- Antifriction roller system with multiplied leverage
- Survey of Streets and Houses; a Drill Mechanism
- Red-Chalk Sketch of a Machine, Perhaps a Cloth-Shearer
- Two- and Three-Winch Systems and the Balancing of Weights
Paris Manuscript K7 pages
- Rebound of a struck stone; sketch of a mill and moving air
- River Ferry at the Port of Cassano
- The Conduit and Siphon of the Garden of Blois
- Canal Outlet, Pump and Conduit, and a Water Vortex
- Colored inlays for imitation stone, and a paste-press
- Rice glue and a lever-pressed mold for casting paste
- Distillation recipes for solvent waters
Paris Manuscript L56 pages
- Recipe for gunpowder, with a small rotating device
- Decorative knot designs and a wedge device
- Anti-friction rollers: which turns most easily?
- Circular body seated in a box through the hole n
- Ropes on pulleys, a labelled casing, and rectangular figures
- Pulley systems with weights and a beamed roof
- Earth-filled fortification walls against artillery
- Pouring vessels and pulley systems
- Drawing water from a deep well with a short rope
- Excavator gear: coupling, jibs and swing geometry
- Water clock, rotating device and ditch-digging schemes
- Machines for excavating a moat
- The excavating machine: wheel and boom
- Clock mechanism with bell, and a galley pump
- Specifications of the excavating machine
- Wine press, water clock and a flow vessel
- Organising an Earth-Moving Operation
- Composite beam and mechanical device sketches
- The Bell of Siena in Motion and a Pile-Driver
- Double Bellows with Non-Return Valves
- Windmill Gearing: Toothed Wheel on a Vertical Shaft
- Details of Gear and Lever Components
- Tower Windmill with a Rotating Cap
- Windmill Detail: Cap Resting on the Wheel
- River meanders, a pulley, and a crenellated building
- Weights on Pivoted Wheels; Stairs of the Count of Urbino
- Spherical Weights on Inclined Planes; a Two-Hammer Bell
- Mechanical device seen at the Cesena fair, and a site plan
- Air-Valves for a Mechanical Wing
- Mechanical Wing: Feather Overlap and Flap Positions
- A Mechanical Tail-Rudder for a Flying Machine
- Dividing the Flyer's Power for Straight or Circular Flight
- Fortification Sketches and a Measured Millstone
- Percussion notes, grain from a sieve, and a pulley-raised stair
- Hollow arrow, jointed lance, and screwable tubular fittings
- Bridge from Pera to Constantinople
- Bird's-eye view of two large buildings, with a screw weight-lift
- Counterweight and pulley on an incline, and a water-wheel
- Canal barriers, plank joints, and a spoked-wheel mechanism
- Beam joints and a camp bed with strapping
- Undershot water wheel and board joints
- Board joints rated for strength
- A winding river and timber-joint studies
- Why Romagna's four-wheeled carts move badly
- Excavating machines and a sketch-map of Populonia
- Coast of Populonia, a Crossbow Question and a Cart
- Pulleys and windlasses for raising weights and earth
- A hinged door, in side view and in plan
- Sighting Instrument: The Eye That Takes Aim
- Sketch of a Crane and Indeterminate Figures
- Barrel Section, Pulley and a Mill Mechanism
- Windmill Mechanism
- Windmill Parts, a Divided Square and a Compartmented Beam
- Prophecy of the Treasure-Bearing Mules; a Note on Wages
- Clock Gearing Labelled Venus and Sun; Weights of Earth
- Clock-like gear train and a note on the word 'caleffato'
Paris Manuscript M25 pages
- Emblem of the lantern fanned by two bellows
- Weights Hung from Unequal Cords on a Balance
- Weight Between Two Pulleys: Does a Right Angle Move It?
- A Balance Multiplied by Pulleys: Proportion of Powers
- Power and Resistance on a Cord-Drawn Balance
- Where the Cord Attaches Does Not Change the Lever
- Water Screws, a Drawbridge, and a Powder Question
- An Advancing Bridge Thrust Forward by a Windlass
- Overhead and Side Views of an Advancing Bridge Frame
- Unloading a Column from a Boat with Levers and a Windlass
- The Common Wedge and Its Iron Sheath
- Permanent and Transitive Wedges; the Axe-Head
- The impossible cut: a test of judgment about weights
- Balance staffs: arms cut and re-hung as counterweights
- Why the Arrow Leaves at the End of the Cord's Motion
- Studies of Impact and Weights Balanced over Pulleys
- A windlass in a block: power a against weight b
- Spring Mechanisms for Clocks
- A Beam Strengthened by Binding Cords
- An adjustable fireplace screen with rotating panels
- Counterweight experiment on the best projectile form
- The waterwheel as a motor of constant power
- The motor of augmentative power, contrary to the crossbow
- The Motor of Diminishing Force: Crossbow, Pulley and Weight
- A Method for Chain Links; and a Sun-and-N Rebus
Ashburnham I (ex-Ms A)3 pages
Ashburnham II (ex-Ms B)14 pages
- Long open trough or hull and a small latticed drum
- Lifting arm with bucket, a rigged boat and scaling ladders
- Roof framing, a radiating burst, a pulley pole and ramps
- Cranes, wheeled carts, pulleys and geared wheels
- Boat and ship-hull studies in perspective
- Statics of Weights on Beams and Triangular Supports
- Lifting and Hoisting Devices
- Pivoting mechanisms with rod linkages and a standard-bearer
- Galley and boat sketches with a forked implement
- Male nude with sword, a hooked device, and looping cords
- War machine with a covered assault vehicle and a lattice frame
- Faded leaf: a housed mechanism and a timber hoisting derrick
- Wheeled war chariot, rigging with winch, and a derrick
- Boats fitted with mast-and-arm lifting devices