1120

Diving apparatus and Skating.

Just as on a frozen river a man may run without moving his feet, so a car might be made that would slide by itself.

[Footnote: The drawings of carts by the side of this text have no direct connection with the problem as stated in words.—Compare No. 1448, l. 17.]

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

Notebooks of Leonoardo da Vinci
XVIII: Naval Warfare.--Mechanical Appliances.--Music.
The ship’s logs of Vitruvius, of Alberti and of Leonardo.
1113
Methods of staying and moving in water.
1114
On naval warfare.
1115,
1116
The use of swimming belts.
1117
On the gravity of water.
1118
Diving apparatus and Skating.
1119,
1120,
1121
On Flying machines.
1122,
1123,
1124,
1125,
1126
Of mining.
1127
Of Greek fire.
1128
Of Music.
1129,
1130
Of decorations.
1131
. . .