Front Cover with the Letter G
Back Cover with the Letter E
Spine of the Binding
Edge of the Closed Notebook with Faded Inscription
Edge of the Closed Notebook
Fore-edge of the Closed Notebook
Front guard leaf with the notebook siglum 'G'
BotanyTree-trunk swellings, a parallelepiped, and impact of motion
AnatomyThe heart as a muscle, a triangular pyramid, and Mombracco stone
Machines & DevicesGearing of a grinding mill
Painting & PerspectivePainting a leaf in two colours, front and reverse
Painting & PerspectiveHow leaf faces take the sky's colour and a yellow-green reverse
Optics & LightOf Lights: Four Kinds of Illumination and Leaf Shadows
Optics & LightLuster and Transparency of Backlit Foliage
BotanyNever Paint Sunlit Transparent Leaves; Twig Arrangement
Machines & DevicesA Screw-Clamp Device; Low Boughs Bending to Earth
Painting & PerspectiveOn the Variety of Figures; Becoming a Universal Painter
Optics & LightTransparency of Backlit Trees Seen One Behind Another
Painting & PerspectivePage of notes (transcription not available)
Painting & PerspectivePractice without science is a ship without rudder or compass
Optics & LightHow light passes through leaves: transparency and luster
Painting & PerspectiveThe pruned willow: shadow and relief of its branches
Painting & PerspectiveMeadow grasses and plants seen against the light
FlightThe wind moves like a river; the three accidents of a leaf
BotanyConcave and Backlit Leaves in Light and Shadow
Horses & AnimalsHead of a Horse; a Horse Running Through Water
Painting & PerspectiveShadows, Reflections, and Painting Trees in Overcast Light
BotanyHow a Tree's Shadows Lighten Away from the Ground
Optics & LightHow the Eye Misjudges Neighbouring Lights
BotanyThe Painter's Lights; Straight Growth and Fine Branching
Physics & MechanicsThe science of weights, with simple and compound perspective
BotanyThe ramification of trees; a plumb-line leveling instrument
HydraulicsWhy water in a straight river runs an oblique, bank-to-bank course
Painting & PerspectivePainting light and shade on foliage, mountains and battle scenes
Blank page (folio 15v)
Physics & MechanicsOn friction: a shaping template and its grinding apparatus
BotanyThe Birth of Leaves on Their Branches
GeometryOn Proportion: Doubling Circles and Squares
Physics & MechanicsGeometry of the Triangle; Ropes in Pulley-Blocks
Painting & PerspectiveHow to Judge a Painter's Work
Painting & PerspectiveLight and Shade of Cities and Landscapes
AstronomyThe Light of the Moon: Is the Moon Water?
Painting & PerspectiveSouthern Plants and Meadows in the Morning Light
Painting & PerspectiveThe Appearance of Landscapes: The Horizon Circle
Painting & PerspectiveEastern Trees and the Effect of Viewpoint
Painting & PerspectiveThe Shadows of Trees in Distant Woods
Painting & PerspectiveEastern Trees and the Smoke of Cities
Painting & PerspectiveThe Smoke and Dust of Cities
Painting & PerspectiveBackgrounds and the Outlines of Painted Bodies
Painting & PerspectiveThe Four Accidental Colours of Tree Foliage
BotanyHow Tree Branches Grow, Bend and Rise
Painting & PerspectiveThe Aptitude and Range of the Painter; Twig Growth
Painting & PerspectiveHow the Gaps in Foliage Vanish with Distance
AnatomyMuscles of Animals and the Hollows Between Them
Painting & PerspectiveOn Trees: How Foliage Rounds Off at a Distance
BotanyDescription of the Elm: Its Branching and Leaf Spacing
BotanyPainting Foliage, and Why Leaves Face the Sky
BotanyThe Walnut: Leaf Distribution and the Weight of Sap
Optics & LightThe Highlights of Leaves: Blue Sky, Yellow Leaves, Green Luster
BotanyThe Elder: Paired Leaves That Bend to Catch the Dew
Painting & PerspectivePerspective: apparent size and distance from the eye
Physics & MechanicsForce versus weight: the spring and the counterweight
BotanyBranching of plants: elm, fern-like and willow forms
Painting & PerspectivePerspective of a rhombus and the reading of light and shade
BotanyPlant growth: leaves to the sky and the gourd experiment
BotanyBirth of branches and the straightness of the grain in wood
BotanyThe leaf as mother; situating figures in light
AstronomyProof that the sun is hot by nature, not by virtue
BotanyWhy lower tree-branches grow longer than upper ones
Painting & PerspectiveRepresenting things in motion; the growth-rings of trees
BotanyWhy the lower branches of a tree bend downward
BotanyThe elm: why upper branches lengthen and lower ones die
BotanyWhy plant stems curve and thicken toward the south
Painting & PerspectiveOn painting: bodies should not be outlined
HydraulicsRipening seed in sunlight, and testing the fineness of waters
HydraulicsWhy the Ocean does not soak into the land
GeometryQuadrature of the spherical surface
Physics & MechanicsWeights on inclined planes and quadrature of the hemisphere
GeometryWeight on Two Cords; Squaring and Cubing the Sphere
GeometryDoubling of Concentric Circles and Squares
HydraulicsSiphons and Trick Drinking Vessels; Warm vs. Cold Water
Machines & DevicesSelf-Feeding Oil Lamp; Division of a Pyramid
FlightOblique Flight of Birds in the Wind
FlightBirds Soaring Against a Contrary Wind
GeometrySquaring the surface of a sphere, and cubing the solid
Machines & DevicesCoining machinery for the Mint of Rome
GeometrySquaring the lunes; a water-driven template machine
Optics & LightThe eyes of animals: how pupils respond to light
GeometryA mercury siphon clock; drawing a circle through concurrent lines
Machines & DevicesInstruments for shaping templates and a rasp lathe
Machines & DevicesWater-wheel machine for polishing a concave form
GeometryThe power of the voice, and constructing very large circles
GeometryGeometric constructions for large arcs, and a furnace varnish
Machines & DevicesFurnace with a liftable dome and a swinging template
Machines & DevicesPulley-and-former mechanism for shaping a concave surface
HydraulicsA lake's sudden outflow, and a quicksilver siphon to make fire
GeologyWhy the Sea Is Salt: Against Pliny's Explanations
GeologyThe Salt of the Sea, Continued; and How Not to Bore a Listener
GeologyOn the Tremor of the Earth; a Bird Gliding Under the Wind
GeometryDivisions of Solids: Pyramids Within Cubes
HydraulicsOn the Motion of Ships; Water Wearing Away Its Banks
BotanyBranching of the Cherry Tree; Falling Weights in Air and Water
Machines & DevicesDraining harbours by caissons; a rotating profile-template
ArchitectureArchitraves of many pieces, and casting a vessel in a plaster box
Arithmetic & ProportionSubdividing a great disc into 57,600 squares, and its gilding cost
Machines & DevicesA machine for grinding and polishing a curved metal surface
Painting & PerspectiveDiscourse on painting: the three parts of perspective
Physics & MechanicsRelative motion of an arrow at sea, and measuring a ship's speed
Physics & MechanicsMotion of a Body Pouring or Falling onto a Moving Site
Physics & MechanicsA Body Falling While the Cosmos Turns Once in 24 Hours
GeometryGeometry: Squaring Lunes with Triangles, Circles and Ovals
GeometryGeometry: Sinuous-Sided Triangles Equal to Straight Ones
GeometryParity Rules, and Squares Equal to Lunes
GeometryGeometry: Dividing a Circle's Circumference into Equal Parts
GeometryGeometry: Squaring the Circle with Irregular Lunes
GeometryGeometry: Crescents Proved Equal to Triangles
GeometryOn the Squaring of the Semicircle
GeometryThe Four Kinds of Parallel Space
GeometrySquaring the Circle by Cone, Cylinder and Sphere
GeometryWhy a Cone's Surface Cannot Equal Its Base
GeometryCones and the surface of their base circle
GeometryRolling a cone and a cylinder out onto a plane
GeometryToward the quadrature of the circle: sphere, cylinder and cone
GeometryUnrolling the cone and squaring the circle
Physics & MechanicsOn percussion: hammer, nail and the coining die
Physics & MechanicsThe lever double its counter-lever
FlightHow Birds End Their Flight: Oblique Descent and Landing
FlightHow Birds Begin Their Flight: Taking Off from the Ground
FlightFlight of a Four-Winged Butterfly That Preys on Winged Ants
FlightKeeping Wind from Overturning a Bird; Perforated Wings in Ascent
Blank Leaf (folio 65v)
GeometrySquaring Lunes: Circle Sectors, an Inscribed Square and Equal Areas
GeometryOn the Cubature of the Sphere
GeometryResolving the Spherical Body into Pyramids
GeometryRectifying the Surface of a Shield-Shaped Body
GeometryRectifying the Hemisphere and Half-Oval
GeometryOn Quadratures: Squaring the Sphere and the Cone
GeometryColliding Winds; Doubling Squares, Circles and Lunes
GeometrySquaring the circle: lunes and doubled circles
HydraulicsWhether water can rise from the sea to the mountain tops
Machines & DevicesPyramidal casting for a wire-drawing die
Machines & DevicesDrawplate armature, edge-power ratios, and an angle-sighting device
Machines & DevicesWhy drawn iron wire curves and twists
Physics & MechanicsOn simple impetus; the drawplate's tempered edge
Physics & MechanicsImpetus, and Parts of a Metal-Drawing Machine
Machines & DevicesMachinery of the Metal-Drawing Mill (Trafila)
Physics & MechanicsOn Percussion: Air Compressed Beneath a Falling Body
Physics & MechanicsOn Percussion: Falling Bodies and a Man's Descent
Machines & DevicesMetal-Drawing Mill Against a Curved Wall
Physics & MechanicsThe Descent of Heavy Bodies; a Tumbling Board
Machines & DevicesStucco recipes and a revolvable shaping template
HydraulicsRed-chalk study of cascading water and waves
Physics & MechanicsOn weight: a body bearing on two supports
Physics & MechanicsOn weight: bombard ball, balances, and a revolving weight
Machines & DevicesDraw-plates, weights on a double incline, and soldering copper
Sculpture & CastingOn furnaces: kilns for casting plates and vessels
Physics & MechanicsExperiment of the Balance: Rest About the Fulcrum
Physics & MechanicsEqual Weights on Equal Slopes Stay Balanced
Physics & MechanicsThe Weight of the Balance Beam and Its Two Gravities
Physics & MechanicsOf Tackles: Where a Loaded Rope Breaks
Machines & DevicesOf Tackles and Ropes: Speed, Load and Breakage
Machines & DevicesOf Tackles: More Pulleys, More Mechanical Advantage
Machines & DevicesTackle-blocks and forming metal plates over a mould
Physics & MechanicsSix laws of force and motion in pulley tackle
Machines & DevicesOn impression: soldering and smoothing curved copper plates
Machines & DevicesCovering a sphere of four braccia with parallel plates
Machines & DevicesRoller machine with pyramidal beams for shaping plates
Arithmetic & ProportionThe power of the cut: subdividing a four-braccia square
Sculpture & CastingOn Soldering: Copper Sheets and the Cathedral Ball
Physics & MechanicsOn the Nature of Heat: Power Concentrated on a Smaller Base
Physics & MechanicsWhat Impetus Is: Derivative Motion and the Moving Body
Physics & MechanicsOn Motion and the Moving Body: Power Versus Motion
Physics & MechanicsThe Five Kinds of Motion; Weights Joined by a Cord
Physics & MechanicsTwo Weights on a Cord Thrown Through the Air
Physics & MechanicsOn Pulley-Blocks: How the Ropes Share the Load
Physics & MechanicsMoving a Pulley About Its Pole vs. With Its Pole
Fables & ProseThe Struck Walnut Branch: An Emblem of Envy
Fables & ProseThree Moral Emblems: Cloth, Grafted Thorn, Falling Bricks
Physics & MechanicsOn Power: Concentration Increases Force
Physics & MechanicsOn Motion and the Aging Eye's Distant Sight
HydraulicsFigures of Waves: Dyed Water Falling into Clear
FlightNorthern Winds at the Solstice; A Beam Hauled by Angled Cords
FlightClouds and Winds: How Clouds Spin, Merge, and Make Rain
FlightThe Flight of the Fly: Wings, Hovering, and Balance
Optics & LightHow Wind Forms, and Why a Cloud's Shadow Outruns It
HydraulicsThe Infinite Motions Within Running Water
Machines & DevicesWheel segment with spout K and an open-sided case
Machines & DevicesRed-chalk sketch of an unidentified machine
Machines & DevicesWater-raising machine: wheel, pump and square frame
HydraulicsWheel machine in water, with a note on tides
Physics & MechanicsOn weight: the mechanics of pulleys and tackle
GeometrySquaring the circle; a water-raising machine and pulleys
Machines & DevicesMechanical measurements, a ruler, breathing, and mathematics
Machines & DevicesSketch of an extensible scissor (lazy-tongs) mechanism