A Treatise on Painting, by Leonardo da Vinci
1721
Senex and Taylor, London
Illustrations: | Chapter Display |
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The utmost Degree of Contorsion, to which a Man in viewing his hind Parts is able to reach, is, to have his Face look perpendicularly down upon his Heels: And this is not done without great Difficulty; since, besides the Flexure of the Neck, the Legs are likewise to be bent, and the Shoulder, over which the Head reclines, to be depress'd.