Codex Atlanticus198 pages
- Blank verso, invisible before restoration
- Geometry, a pavilion frame and mechanical sketches
- Sheet of machine sketches with circle-squaring figures
- Faint sketches revealed by restoration (recorded as blank)
- Building-site machines: hoists, a screw press and a domed building
- Swivel guns, cartridges and a spring-finned dart
- Gears, gun-barrels and mill machinery
- Machine Studies: Pincers, Screw-Jack, Springald and Arches
- Perspective and geometric studies
- A great wheel, amphitheatre steps, and a fable of the sword
- Near-blank verso with two indefinable drawings
- Milling machine and column studies
- Secret flooded conduit within a fortress ditch
- Blank verso, revealed empty after restoration
- Machines, a hoist, and a fluted column
- Portable bridges to flee or pursue the enemy
- 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
- Fountain, timed water basins and a foundry-earth recipe
- Automatic Valve Pump and an Interlocking-Beam Arch
- Bombards, a timber vault, columns, and polyhedra
- Anti-scaling defence engine for a bastion
- Making a strong composite beam and arching it
- Composite beams, trusses and arches from joined pieces
- Window with concealed hinges and iron fittings
- Iron corner detail of a demountable field pavilion
- Faint pen outline covering the page (invisible before restoration)
- The Science of Composite Shadow; Church Studies
- Geometric Figures, the Horizon, and Architectural Sketches
- Hay-faced defensive walls to absorb artillery fire
- Fortress Design: Concealed Sally-Ports and Defenses
- Eddies of Water and Air, and a Tangent-Angle Construction
- Church studies, cannon sketches, and a debt memorandum
- Fortress towers and bastions, with a column of sums
- Where to site a fortress, and defending its enclosures
- Ground plan of a building complex (red chalk and ink)
- Surveyed plan with compass bearings and distances
- Faint erased sketches; sheet catalogued without writing
- Canal to Florence: gravel banks and an aqueduct bridge
- Ground plan of a three-room building
- Blank verso of the building-plan sheet
- Red-chalk perspective of a fortification detail
- Red-chalk sketch of a fortification (verso)
- Fortress Design: The Castellan's Total Surveillance
- Fortress Studies: Ravelins, Wells and Ricochet of Shot
- Fortress Walls Against Heavier Artillery
- Blank verso with faint show-through of architectural forms
- Geometric square construction and a radial wheel mechanism
- Blank verso with faint show-through of a framed structure
- Triangular Hoist for Raising a Column
- Blank Verso (Invisible Before Restoration)
- Blank Verso (Invisible Before Restoration)
- Bombard, winding gear and faint column studies
- Ground-floor house plan with garden stair, and structural sketches
- Two-storey arcaded structure housing a machine
- The Roman Harbour of Civitavecchia
- The power of percussion; the Naviglio Grande; a beam bridge
- A sheet of arithmetical calculations, with a small plan
- A scheme for a canal city, with red-chalk plans
- Proportion of Equal Squares Equals Their Heights
- Blank verso, invisible before restoration
- Plans for a Prince's Palace, with Fire-Safe Construction
- Squaring the Semi-Annulus, with Dome and Vault Studies
- Palace with a loggia, and a verse on the rule of health
- A water-filled glass lamp, a house plan and a materials list
- Red-chalk study of a canopied wheeled structure
- Proportion of circle-portions; tracery and vault designs
- On the common sense, the five senses and the nature of seeing
- Arch thrust, a moving body and its mover, with sums
- Flat tube-ceiling, a beam hoist, and radial arch diagrams
- Squaring curved figures, continued, with a measuring-wheel note
- Squaring the circle, an inheritance problem, and perspective studies
- Quadrature studies and the plan of the Stable of the Magnifico
- Squaring the Circle: Lunes, Sectors and Perforated Circles
- De ludo geometrico: squaring curved surfaces
- A siphon to carry a river over the mountains
- Ledger Entries: Debit and Credit Columns (£1280)
- Calculations with a Loggia Sketch and Ornamental Letters
- Squaring lunes and semicircles, with vault studies
- Squaring the circle, a pulley, and two building elevations
- Ground Plan of Octagonal Spaces
- Squaring a square with curved figures; ornament and a pulley
- Pulley systems and a household expense account
- Mining fortress walls: undermining and sap tunnels
- Studies of the classical orders: architrave, arch and pedestal
- Mechanical and hydraulic studies on a faint sheet
- Near-blank verso showing the recto through the sheet
- Suspended rods: squaring the simple rod for its load
- The Strength of Beams and Supports
- Building plan and an arcaded elevation (two fragments)
- Plans of a house with land measurement and calculations
- Plans and notes for a gentleman's house
- Squaring the lunes; measurements of San Paolo, Rome
- Bombard flame, cracked towers, and painting at a distance
- Cost estimate for the Trivulzio equestrian monument
- Areas of circles as squares of diameters, and lantern studies
- The painter's life, colour contrast and a coupled-column design
- Faint notes on bombards and building, untranscribed
- Two mounted paper fragments, restored blank areas
- Studies of arched and triangular trusses for wide spans
- Vaulted trusses, with notes on hot water and capillary rise
- Quadrature of lunes, cylinder geometry and a bitter letter to a brother
- Domed churches, columns, and a theorem on a divided line
- Bridge over the river Dora and the canal of Ivrea
- Architectural studies: cornice, column and vaults
- Bird flight and fish swimming: turning, balance and impetus
- River flow in narrow channels; the strength of columns
- Spring mechanisms, a wheel-lock striker and river pile-work
- Ground plan of a palace quarter served by canals
- River-and-city studies: clean water, portal and plans
- Architectural plans and elevations of a house
- Palace floor plans and lettered circulation routes
- Crowded Sheet of Studies: Vaults, Ships, Circles and Star Figures
- Battered Fortress Wall with Round Bastion in Perspective
- The armature of arches, and the weight of turbid water
- Perspective study of a vaulted structure, with arch sketches
- Faint sketches: a round colonnade, perspective frames, interlace
- Doubling the cube, with plans for a palace and garden aviary
- Squaring lunes and dividing semicircles, with flight notes
- Memorandum of errands, purchases and books to procure
- Squaring of figures and transformation of quadrilaterals
- Geometric definitions, the bow's force, and loads on beam and column
- Quadruple circles, with a timber frame and wheel
- Divided bar for wheels, jointed mechanism, and a ramped structure
- Perspectival Study of a Windowed Structure
- Why a Long Bombard Carries Farther; Compressing Air
- Columns of Divisions and Fractions, with a Church Plan
- Truss Arches and Domed Churches; Pen Trials and Sums
- Address to the cathedral deputies: the architect as physician
- Balance and friction rules, and a design for a pleasure garden
- Port of Civitavecchia, church plans, and laws of the balance
- Domed churches, a hoisting crane, and quadrature studies
- Machine-wheel note over faint map and plan sketches
- Plan of a Circular Building and a Spring Device
- Circular Building Plan with Rooms, a Device and Sums
- Areas of Circles, Lunes and Squares, with a Portal Study
- Quadrature studies: squaring circles, rings and lunes
- Rotary grinding mills and a building in perspective
- Architectural perspective studies and a star-shaped figure
- Measured Elevation of a Paneled Door and a Coffered Ceiling
- Door and Window Fittings: Bolts, Latches and Hinges
- Statics of Supports and Trussed Half-Vaults
- Description of a Great Octagonal Temple
- Tools for Digging, Gravel-Moving and Demolition
- Faint architectural study: column and ruled frame
- Geometry of triangles, circles and squares; proportions
- Masonry arch study with weights of a pillar and tiburio
- Faint Study of a Pointed Arch and Vault
- Construction of a Pointed Arch with Pier and Pinnacles
- Faint Study of an Arch and Vault Springing
- Three designs for movable bridges
- Land-yield reckoning, abacus problems and bridge sketches
- Design for a movable bridge
- Motion of falling bodies, friction, and percussion
- Architectural members and extensible lattice mechanisms
- Squares Inscribed in Circles: Areas and Proportions
- Self-Moving Water Machine, Coffered Ceiling and Stucco Recipes
- Draft letter on the bronze doors of Piacenza Cathedral
- Faint circular design and perspective structures, without text
- The strength of columns and the proportions of capitals
- Elasticity of bent wood and interlocked timber roof frames
- A Bridge for Bombards, with a Wheeled Device
- An antique-style fireplace, with pavilions and a cube in perspective
- Gravity, the balance, spring-weapons and a river bridge
- Two fragments: an ornate column and mechanical apparatus
- Masonry studies with a note on stoves
- Pitch Cast over Bombard Platforms
- Studies of Composite Beams and Timber Joints
- Mechanical studies: rollers, a screw-press and a domed tabernacle
- Plans and sections for a centralized domed building
- Light through an aperture, a domed church plan and mechanism sketches
- Geometry of triangles, a balance, water swirls and a house plan
- Four mounted fragments, verso (declared blank)
- Bucket machine for raising water from a well
- Fortification scheme, colliding spheres, and a maxim on artillery
- Mortise-and-tenon beam joints (trave a incastro)
- Interlaced garden-wall designs with a planted balustrade
- Casting moulds, a barrel vault and siege notes
- Gears and worm-screws, with beans painted at their sprouting
- Turning a Ruined Wall into Bastions, Gateways and Gun-lines
- Recto of folio 1010, catalogued as blank
- Central-plan church studies with a lettered circle
- 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
- Proportional compass with adjustable points; screw and frame studies
- Calculating the tiles in all four faces, with mechanical sketches
- Rotating spring device, room measurements, and sums
- On Force and Weight: Balances and Pulleys
- Sheet of faint mechanical and architectural sketches
- Study sheet: arched forms and a lever-and-funnel device
- Faint mechanical sketches revealed after restoration
- Letter of self-recommendation to Ludovico Sforza
- Raising Water to a Mountaintop; Self-Turning Smokeless Chimney
- Bird's Wings, Air Resistance and the Motion of Air and Water
- Clockwork mechanism (sheet turned on its side)
- The astronomical clock of Chiaravalle tower
Codex Arundel22 pages
- A balance with two pivots, and studies of weights
- Cracks in walls, splitting vaults, foundations, and earth's strata
- Building studies: arches, vaults, a dome, and cracked walls
- The power of the arch: chord, shoulders and where it breaks
- Cracks in walls and the breaking of arches
- The point, the surface, and the elements
- The Percussion of Falling Water
- Near-blank verso with faint offset sketches
- Small sketches of arches and mechanisms; facing leaf blank
- Mechanical studies and a stage set for Pluto's realm
- Moving houses and canalizing the river at Romorantin
- Double pump, gravity and levity, and a spiral staircase
- The river at Amboise: currents around an island
- The bridge at Borgo Ognissanti and the courses of wind
- A balance with two poles and other small mechanisms
- Structural cracks, drying clay, and the earth's strata
- Cracks in Walls and the Fracture of Arches
- The impact of water falling on flat ground and on steps
- Studies of beams, trusses, levers and rollers
- Building plans, mill-wheels and numerical notes
- Double water-pump, siphons and a spiral staircase
- Bridges of Borgo Ognissanti; river silting and mountain winds
Codex Forster II12 pages
- Red-Chalk Sketches, Figures, and a Name
- Part of a Mechanism and a Building Facade
- Geared drum mechanism with crank and hanging weights
- Arched structure with scaffolding and pulley device
- Building with Arches and Buttresses
- Architectural Elements with Their Measurements
- Canal bridge, a wheel, and a square within a ring
- Architectural moulding profiles with calculations
- Falling bodies keep equal intervals; a roof section of the Castle
- Loaded beams, double scaffolds, and the strength of angles
- Load-Bearing Arches: Counterweights Against Collapse
- Weight slid along a suspended beam; thrust of octagon arches
Codex Forster III20 pages
- Two loaded beams: testing the sag of an arch under a hung weight
- The most-loaded part of a lower support
- Part of a building; two pyramids hung at their centre of gravity
- Hexagon in a circle and sketches for building works
- Architectural Studies: Portals
- Ground Plan with a Note on Canals Behind the Houses
- Timber pieces cut with interlocking joints
- Column profile with notes on marcasite and a herbal
- Profile of a column base, with three fables
- Column profile with proportional relationships
- Blank leaf with faint offset of a drawing
- Balanced bars, added sums, and a court-hall measurement
- Bolt-Latch Rod and Vault Geometry Schemes
- Ground Plan of Milan Cathedral
- Machine for hoisting roof and floor beams
- Braced framework (palisade?) in perspective and plan
- Curvature of the Earth, Towers, and Mechanisms
- Arch of beams balanced by counterposed weights
- Studies of 45-degree angles and two framed figures
- Notes on Horses, with a Fluted Bowl Sketch
Codex Madrid I12 pages
- Where an arch breaks, and the true running of rollers
- Gear Teeth, Clock Timing, Joints, and the Sun at the Horizon
- Two Roman Amphitheatres Revolving to Form a Theatre
- Reducing Friction on a Pole, and the Thrust of Arches
- Levers, the Perfect Balance and a Proof against Pellacane
- Bending of framed beams and the loading of pointed arches
- Friction, supports and where a loaded arch breaks
- Loads on Raised Members, an Arch's Thrust, and a Warning to Architects
- Counterweights on a Steelyard and Why a Wall Settles Away From Its Batter
- Centre of gravity of a triangle and a hanging pillar
- Force versus weight; a pontoon bridge in a river current
- Center of gravity and the bending of loaded supports
Codex Madrid II36 pages
- Definitions of lines, angles and triangles
- Faint cutaway of a domed building with squared plan
- Faint cutaway of a domed building
- A jest of the archpriest of Santa Maria del Monte at Varese
- Why the new citadel walls crack, and shoring the sea front
- Fortress towers, a radiating star, and conical forms
- The Citadel Tower: Dimensions and Masonry Costs
- The Citadel Tower: Talus, Casemate, and Defenses
- Fortified Enclosure with Round Towers: View and Plan
- Spoked wheel, building sketch and a letter fragment
- Twin fortresses for two castellans: shared gates and walls
- A fortress of two triangular towers for two castellans
- Building advice: timber, house orientation and walls
- Making lime and mortar for walls, vaults and cisterns
- Founding a Sea-Wall: Lowering Caissons onto the Rock
- Founding in the Sea, and the Port of Piombino
- Towers, Casemates, and a Sheltering Harbour Wall
- The Castellan's Secret Passages and a Hexagonal Fort
- Iron Portcullises, Machicolations, and Low Entrances
- A Plain Fortress of Double Walls Filled with Earth
- Gun-Embrasures and Defense of Mine-Galleries
- Staggered Embrasures and an Ideal Square Fortified Town
- Towers in Deep Water, Counter-Mines and Ditches
- Outworks and Mortar-Proof Towers
- Fortresses Adapted to Their Sites
- Inner Works of a Keep and Mortar-Proof Bastions
- The Castellan's Keep: Storerooms, Powder Store and Water Control
- The Common Parts of a Fortress: Members One Through Sixteen
- Corner Turrets, the Sally-Port, and Testing Foundations
- The Seven Particular Parts: Ditch Profiles and the Mid-Ditch Wall
- The Inner Pit, Ravelins and Scarped Turrets of the Ditch
- Parapets, Merlons and the Bomb-proof Casemate
- Fortress Walls, Foundations and the Design of Gates
- Equating a Curvilinear Right Angle, and a Retractable Bridge
- Sheet of geometric studies: lunes, vaults and radial plans
- Motion on an incline; curved-figure and radial-plan studies
Codex Urbinas (Treatise on Painting)2 pages
Codex on the Flight of Birds2 pages
Paris Manuscript A15 pages
- Foreshortening a Figure onto Wall and Vault to Double Its Height
- Why Supports Bend in the Middle, and Off-Center Loads Lean
- Strength of a Column Divided Lengthwise and Widthwise
- How Doubling a Column's Proportion Affects Its Load
- De Ponderibus: Experiments on Weights and Supports
- De Ponderibus: Suspended Weights, Levers, and an Arch
- Hanging Cords Between Unequal Poles, a Bounce, and a Beam
- On the Support: Binding Rushes to Increase Strength
- The Strength and Weakness of Arches and Columns
- Foundations, and the Nature and Breaking of Arches
- Loading and Strengthening Round Arches and Ogives
- Earthquake-Proof Arches and Reinforced Ceiling Beams
- On beams, walls, windows, and the strength of arches
- Doubled beams and experiments on the force of blows
- Load-bearing of columns, and a mirror for making fire
Paris Manuscript B62 pages
- Ballistics Experiments, a Domed Church and the Physics of Sound
- Vault geometry, a glass-bell casting and river-crossing floats
- Incendiary lances, a bombard battery and paired bastions
- Ducal garden pavilions and a square-bastion fortress
- Octagon constructions and a lockable square house
- Flower study, a pentagon construction and soldering lead roofs
- A washhouse and heating stove, with beam-load experiments
- Timber roof, church interior and a double-ditch fortress plan
- The ideal city: overall view and two-level stairs
- Palaces of the ideal city and its two-level streets
- Barred-door interior, a slow-fire canister and nested spheres
- Studies for a central-plan domed church, with tree and timber notes
- Two Church Plans and a Diver's Breathing Apparatus
- Fortress Defences, a Domed Church, and a Suspended Beam
- Central-Plan Church, a Ravelin, and an Overloaded Arch
- Why an Arch Holds, and a Raised Garden
- 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
- Roof coverings at the ridge, and a bombard-proof bastion wall
- An 'unbreakable' beam bridge and a hundred-mile acoustic relay
- Counterweight door, a self-feeding hearth, and a fortress tower
- Domed basilica in plan and elevation; a naval war scythe
- Church elevation, fortress plans, and courtyard lighting
- Two centrally-planned churches, elevations and plans
- Machine for raising columns, and how an arch loads its columns
- Armatures for festive decorations: garlanded columns and pavilions
- Lattice armatures for ornamental constructions
- Central-plan church plans, composite beams, and an assault bridge
- Four octagonal building plans
- Painters' staging, whitewash brushes, and a drawbridge
- Ground plan of a basilica, with choir
- Ideal-city palace, a lifting crank, and a laden cart
- Ideal-city streets on many levels, and two incendiary bombs
- Canals and locks beneath the city's palaces
- Machinery for a clean horse-stable
- Design of a Clean Stable in Three Aisles
- Naval Guns, a Central-Plan Church and a Fire-Ship
- The quintuple staircase for a tower's defence
- Augers for boring beams and spiral stairs around a tower
- Fortified gate, moat and treachery-proof tower
- Staggered arched walls, tower defences and roped cortaldi guns
- Preaching theater, basilica plans, and a Latin-cross church
- Chimney sections and a revolving, ventilated latrine
- Paternoster chain-pump, a festival dome frame, and a foot water-jet
- Two church plans, a quadrangular fortress, and wall defences
- Centralised temple: plan and dome, with a twelve-faced variant
- Plans of the Santo Sepolcro, Milan: church and crypt
- Machicolations, a ravelin, a fortress plan and compasses
- Chimneys of Pavia castle, towers and a Witelo note
- Upper part of a tower and the 'secret of the compass'
- War machines: charging armoured horses and cluster bombs
- Fortress tower, mountain ditch, and counterweighted drawbridges
- Surveying Levels, Wall-Piling and an Arched Gallery Mouth
- Pile foundations and a wall to resist river banks
- Portico, corner loggia and the centering of a vault
- Facade windows, an ornate portal and a lever
- Double staircase for a castle
- Fortress sections and a double spiral staircase
- Screw hoist for raising a bell into its tower
- Hoisting tackles, coupled bombards, and a festival pavilion
Paris Manuscript F3 pages
Paris Manuscript G1 pages
Paris Manuscript H26 pages
- River scouring, gravel deposition, and a foundation figure
- Vines of Vigevano and a Building Plan on a Canal
- A Dog Bearing a Message, a Two-Span Bridge and a Confluence
- Bridge in section, elevation and plan; household accounts
- Beams over crenellated walls and a strong floor
- Laundry building and the erosion of a divided current
- Design for a field pavilion tent
- Design for a conical camp tent
- Canal profiles, falling water, and the Vigevano pavilion
- Household Accounts of 29 January 1494
- Two plank-decks of beams
- Circular building with a mobile dome; water as a mountain's blood
- Elements of the folding wooden pavilion of Vigevano
- Pavilion corner and bolt; water falling over an angle
- Canal-boat in a vaulted gallery, with a stepped well
- Perspective rule, arches, a pile-driver and its costs
- A canal narrows, a framed pavilion, and clouds in motion
- Method for the waters, a roller gear and a columned frame
- Water as the vital humour of the earthly machine
- Water's circulation through the body of the earth
- Centre of Weight; Note on Giulio and the Study Lock
- Cart for Transporting Arquebuses; a Truss
- Variable-ratio gear drive; plan of the Sforza Castle, Milan
- Undetermined Mechanism, Hook-Catch, and Architectural Elements
- Proportions of an Ionic Capital
- Cart construction: levers clamping the rail to the axle
Paris Manuscript I14 pages
- Pencil ground plan of a building with dimensions
- Plan of a castle (Milan?) with fortification details
- A drill for boring crystal, with screw and balance studies
- Angular tower and decorative sketches
- Decorative designs: shields and a fortified building
- Latin word-list, small architectural sketch and expense note (fol. 52v)
- Riddle on sleep; plan and elevation of a building
- Balanced bell on its pivot; columns and entablature
- Sketches of framed forms with hatched shading
- A Rule for How Materials Break
- Arch Construction, Post-Raising, and the Bombard-Rocket Note
- Red-chalk cross-section of a building; gloss on 'furibonda'
- Survey of Streets and Houses; a Drill Mechanism
- Survey Continued: Bridge, Gate and Church Measures
Paris Manuscript K2 pages
Paris Manuscript L38 pages
- Kite pulled by cords, and plans of sacred buildings
- Dovecote at Urbino: elevation and ground plan
- Waves on a sloping shore; plan and a Piombino note
- Plan with a drain and a master drain
- Fortification sketch lettered b b b
- Dovecote (colombaia) in perspective
- Plan with a five-sided figure and measurements
- Fortress of Cesena and a large building
- Pulley systems with weights and a beamed roof
- The Siena bell and the stairs of Urbino
- Rule for the width of a column's plinth
- Tower Windmill with a Rotating Cap
- River meanders, a pulley, and a crenellated building
- Three architectural studies: windows and niches
- Fortifications: Studies of Defensive Walls
- Weights on Pivoted Wheels; Stairs of the Count of Urbino
- Military architecture and a diagram of artillery fire
- A support bending under 4000, and a window from Cesena
- Sketches of fortifications
- Curved Fortification Walls in Perspective
- Fortification Wall: Elevation and Angle Plans
- Plan of a Fortification Gate or Bastion
- Fortification Wall: Vaulted Casemates and Plan
- Fortification Gate: Elevation and Plan
- Military architecture and a study for artillery fire
- Military architecture: a fortified wall in perspective
- Fortification Sketches and a Measured Millstone
- Overlapping sketches of military architecture
- Overlapping drawings of fortifications
- Bridge from Pera to Constantinople
- Bird's-eye view of two large buildings, with a screw weight-lift
- Beam joints and a camp bed with strapping
- Board joints rated for strength
- Architectural sketches: arches, columns and profiles
- Architectural sketch: pilaster over a scrolled base
- Planimetric sketch with measurements and winds
- A hinged door, in side view and in plan
- Windmill Parts, a Divided Square and a Compartmented Beam