The Notebooks of Leonardo Da Vinci Complete


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utmost. And in this very great mistakes are often made by those who  
have insufficient knowledge and trust to their own invention and do  
not have recourse to the imitation of nature; and these variations  
occur more in the middle of the sides than in front, and more at the  
back than at the sides.  
3
51.  
When the arm is bent at an angle at the elbow, it will produce some  
angle; the more acute the angle is, the more will the muscles within  
the bend be shortened; while the muscles outside will become of  
greater length than before. As is shown in the example; d c e will  
shrink considerably; and b n will be much extended.  
[Footnote: See Pl. XIX, No. 2.]  
3
52.  
OF PAINTING.  
The arm, as it turns, thrusts back its shoulder towards the middle  
of the back.  
3
53.  
The principal movements of the hand are 10; that is forwards,  
60  
2


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258 259 260 261 262

Quick Jump
1 306 613 919 1225