922

Schemes for the arrangement of the materials.

First write of all water, in each of its motions; then describe all its bottoms and their various materials, always referring to the propositions concerning the said waters; and let the order be good, for otherwise the work will be confused.

Describe all the forms taken by water from its greatest to its smallest wave, and their causes.

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

921 * 923

XIV * XVII

Notebooks of Leonoardo da Vinci

XVI: Physical Geography.

Schemes for the arrangement of the materials.

919,

920,

921,

922,

923,

924,

925,

926,

927,

928

General introduction.

929

The arrangement of Book I.

930

Definitions.

931,

932

Of the surface of the water in relation to the globe.

933,

934,

935,

936

Of the proportion of the mass of water to that of the earth.

937,

938

The theory of Plato.

939

That the flow of rivers proves the slope of the land.

940

Theory of the elevation of water within the mountains.

941

The relative height of the surface of the sea to that of the land.

942

. . .