A Treatise on Painting
by Leonardo da Vinci, translated by John Francis Rigaud
The Level of the Shoulders
4003544A Treatise on Painting — The Level of the ShouldersJohn Francis RigaudLeonardo da Vinci

Chap. LXXXIII.The Level of the Shoulders.

The shoulders or sides of a man, or any other animal, will preserve less of their level, in proportion to the slowness of their motion; and, vice versâ, those parts will lose less of their level when the motion is quicker. This is proved by the ninth proposition, treating of local motions, where it is
Plate 11.
Chap. 84.
Page 35.


London, Published by J. Taylor High Holborn.

Plate 12.
Chap. 84.
Page 35.


London Published by J. Taylor High Holborn.

Plate 13.
Chap. 85.
Page 35.


London, Published by J. Taylor High Holborn.

said, any weight will press in the direction of the line of its motion; therefore the whole moving towards any one point, the parts belonging to it will follow the shortest line of the motion of its whole, without giving any of its weight to the collateral parts of the whole.