The Notebooks of Leonardo Da Vinci Complete


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position.  
How the above mentioned facts prove that the pupil acts upside down  
in seeing.  
[Footnote: 82. 14--17. The subject indicated by these two headings is  
fully discussed in the two chapters that follow them in the  
original; but it did not seem to me appropriate to include them  
here.]  
Demostration of perspective by means of a vertical glass plane  
(
83-85).  
8
3.  
OF THE PLANE OF GLASS.  
Perspective is nothing else than seeing place [or objects] behind a  
plane of glass, quite transparent, on the surface of which the  
objects behind that glass are to be drawn. These can be traced in  
pyramids to the point in the eye, and these pyramids are intersected  
on the glass plane.  
8
4.  
Pictorial perspective can never make an object at the same distance,  
8
4


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82 83 84 85 86

Quick Jump
1 306 613 919 1225