863

The fundamental laws of the solar system.

Each man is always in the middle of the surface of the earth and under the zenith of his own hemisphere, and over the centre of the earth.

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

862 * 864

XIII * XVI

Notebooks of Leonoardo da Vinci

XIV: Anatomy, Zoology and Physiology.

. . .

The laws of nutrition and the support of life.

843,

844,

845,

846,

847

On the circulation of the blood.

848,

849,

850

Some notes on medicine.

851,

852,

853,

854,

855,

856

The earth’s place in the universe.

857,

858

The fundamental laws of the solar system.

859,

860,

861,

862,

863,

864

How to prove that the earth is a planet.

865,

866,

867

The principles of astronomical perspective.

868,

869,

870,

871,

872,

873

On the luminosity of the Earth in the universal space.

874,

875,

876,

877,

878

The question of the true and of the apparent size of the sun.

879,

880,

881,

882,

883

. . .