918

Of time and its divisions.

Divide an hour into 3000 parts, and this you can do with a clock by making the pendulum lighter or heavier.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

Notebooks of Leonoardo da Vinci

XIV: Anatomy, Zoology and Physiology.

. . .

898,

899,

900,

Explanation of the lumen cinereum in the moon.

On the spots in the moon.

903,

904,

905,

906,

On the moon’s halo.

On instruments for observing the moon.

909,

On the light of the stars.

911,

912,

Observations on the stars.

On history of astronomy.

Of time and its divisions.

916,

917,