Leonardo
 

Geometry and optics

 

Studies of geometry, optics, etc.
Studies of optics
A study of the fall of light on a face
Studies of geometry, clouds, plants, engineering, etc.
Studies of geometry
Studies of optics
Drawings of heads to show proportions
Studies of optics
Studies of optics, links for armour, etc.
Studies of geometry
Geometrical drawings of lines of sight
Notes on mathematics
A note on mathematics
Notes on astronomy and geometry
Lines of geometrical figures
Diagrams, notes, and entries on household expenses
Notes on the curvature of the earth
Notes on optics etc.
Notes on optics etc.
Fragments of geometric diagrams
Studies of geometry, a foot, and the head of a man in profile
Notes on geometry
Studies of geometry, calculations, and notes
Notes and diagrams on geometry, and sketches of the male genito-urinary system
Studies of geometry
Studies of geometry
Studies of geometry, St George and the dragon, standing figures, etc.
Geometrical drawings
Studies of geometry, profiles, etc.
Studies of geometry, the genito-urinary system, the brain, etc.
Studies of geometry
The head of a man with a diagram in place of the eye
The head of a man with a diagram in place of the eye
Studies of geometry
A slight geometrical diagram
Studies of geometry
Studies of geometry, a female head, etc.