27

Differences of perception by one eye and by both eyes.

Objects seen by one and the same eye appear sometimes large, and sometimes small.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

. . .

General introductions to the book on Painting.

10,

11,

12,

The plan of the book on Painting.

14,

15,

16,

The use of the book on Painting.

Necessity of theoretical knowledge.

19,

The function of the eye.

21,

22,

23,

Variability of the eye.

Differences of perception by one eye and by both eyes.

26,

27,

28,

The comparative size of the image depends on the amount of light.

30,

31,

32,

33,

34,

35,

36,

37,

38,

. . .