Optics & LightFront cover of the notebook
Front cover of Paris Manuscript D
Optics & LightSpine of the closed notebook
Fore-edge of the closed notebook
Optics & LightFore-edge of the closed notebook
Optics & LightEdge of the closed notebook's paper block
Inside front cover with Institut de France label
Optics & LightBlank guard leaf with library stamp and cataloguer's note
Blank flyleaf with library stamp
Optics & LightBlank guard leaf with library stamp
Blank flyleaf with library stamp
Optics & LightBlank guard leaf with library stamp
Blank flyleaf with library stamp
Optics & LightBlank guard leaf with library stamps
Optics & LightBlank guard leaf with Institut de France stamp
Optics & LightThe Eye: Unequal Visual Power and the Convex Pupil
Optics & LightWhy a light's rays seem to spread as it nears the eye
Optics & LightThe Eye: How Images Enter and Bend Within the Eye
Optics & LightThe pinhole eye: images enter inverted, the sense sees them upright
Optics & LightThe Human Eye: How Images Cross Twice Within the Eye
Optics & LightA water-filled glass eye model and the two intersections of vision
Optics & LightThe Human Eye: Pupil Size, Mirrors, and Two-Eyed Vision
Optics & LightThe whole pupil sees: refuting the single-point of vision
Optics & LightWhy the owl sees by night: pupil size and the brain's chamber
Optics & LightThe Human Eye: The Pupil's Adaptation to Light and Dark
Optics & LightThe sun's image on water and the borrowed light of the stars
Optics & LightThe Human Eye: Vision Fills the Whole Pupil, Not a Point
Optics & LightThe pupil widens in the dark; a wider pupil enlarges the image
Optics & LightThe eye: why the right does not appear on the left in vision
Optics & LightThe eye as a camera obscura: how images cross and refract inside it
Optics & LightThe central line of sight and how two eyes double an object
Optics & LightThe human eye: shadows of a stylus and the field seen through an aperture
Optics & LightWhy lights seem to sprout rays: reflection on the edges of the eyelids
Optics & LightThe eye: proportions of images, and where the 'idol' forms
Optics & LightSpecies fill all the air, and why the eye cannot fix a remote edge
Blank guard leaf with pen flourish and library stamp
Optics & LightBlank flyleaf with Institut de France library stamp
Blank guard leaf with library stamp
Optics & LightBlank flyleaf with two Institut de France stamps
Optics & LightBlank flyleaf with library stamp and pencil number
Blank guard leaf with library stamp
Optics & LightBlank flyleaf with stamp and pencil inventory mark
Blank end flyleaf with library stamp and pen flourish
Optics & LightCoarse browned endpaper with a pen flourish