A Treatise on Painting
by Leonardo da Vinci, translated by John Francis Rigaud
Motion, Changes, and Proportion of Members
3995508A Treatise on Painting — Motion, Changes, and Proportion of MembersJohn Francis RigaudLeonardo da Vinci

Chap. VIII.Motion, Changes, and Proportion of Members.

The measures of the human body vary in each member, according as it is more or less bent, or seen in different views, increasing on one side as much as they diminish on the other.