/ · The Notebooks of Leonardo da Vinci

74

Refraction of the rays falling upon the eye.

The lines sent forth by the image of an object to the eye do not reach the point within the eye in straight lines.

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

73 * 75
I * III
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Notebooks of Leonoardo da Vinci
II: Linear Perspective.
. . .
54
The relations of the distance points to the vanishing point.
55,
56
How to measure the pyramid of vision.
57
The Production of pyramid of Vision.
58,
59,
60,
61,
62,
63,
64
Proof by experiment.
65,
66
General conclusions.
67
That the contrary is impossible.
68
A parallel case.
69
The function of the eye as explained by the camera obscura.
70,
71
The practice of perspective.
72,
73
Refraction of the rays falling upon the eye.
74,
75
The inversion of the images.
76
The intersection of the rays.
77,
78,
79,
80,
81,
82
Demomstration of perspective by means of a vertical glass plane.
83,
84,
85
The angle of sight varies with the distance.
86,
87,
88
Opposite pyramids in juxtaposition.
89
On simple and complex perspective.
90
The proper distance of objects from the eye.
91,
92
eye.
93,
94
. . .