← The Notebooks of Leonardo Da Vinci — Complete, Volume 2

The Order of the Book

Book 9, of accidental risings of water.

924.

Place at the beginning what a river can effect.

925.

A book of driving back armies by the force of a flood made by releasing waters.

A book showing how the waters safely bring down timber cut in the mountains.

A book of boats driven against the impetus of rivers.

A book of raising large bridges higher. Simply by the swelling of the waters.

A book of guarding against the impetus of rivers so that towns may not be damaged by them.

926.

A book of the ordering of rivers so as to preserve their banks.

A book of the mountains, which would stand forth and become land, if our hemisphere were to be uncovered by the water.

A book of the earth carried down by the waters to fill up the great abyss of the seas.

A book of the ways in which a tempest may of itself clear out filled up sea-ports.

A book of the shores of rivers and of their permanency.

A book of how to deal with rivers, so that they may keep their bottom scoured by their own flow near the cities they pass.

A book of how to make or to repair the foundations for bridges over the rivers.

A book of the repairs which ought to be made in walls and banks of rivers where the water strikes them.

A book of the formation of hills of sand or gravel at great depths in water.

927.

Water gives the first impetus to its motion.

A book of the levelling of waters by various means,

A book of diverting rivers from places where they do mischief.

A book of guiding rivers which occupy too much ground.

A book of parting rivers into several branches and making them fordable.

A book of the waters which with various currents pass through seas.

A book of deepening the beds of rivers by means of currents of water.

A book of controlling rivers so that the little beginnings of mischief, caused by them, may not increase.

A book of the various movements of waters passing through channels of different forms.

A book of preventing small rivers from diverting the larger one into which their waters run.

A book of the lowest level which can be found in the current of the surface of rivers.

A book of the origin of rivers which flow from the high tops of mountains.

A book of the various motions of waters in their rivers.

928.

Of inequality in the concavity of a ship. [Footnote 1: The first line of this passage was added subsequently, evidently as a correction of the following line.]

A book of the inequality in the curve of the sides of ships.

A book of the inequality in the position of the tiller.

A book of the inequality in the keel of ships.

A book of various forms of apertures by which water flows out.

A book of water contained in vessels with air, and of its movements.

A book of the motion of water through a syphon. [Footnote 7: cicognole, see No. 966, 11, 17.]

A book of the meetings and union of waters coming from different directions.

A book of the various forms of the banks through which rivers pass.

A book of the various forms of shoals formed under the sluices of rivers.

A book of the windings and meanderings of the currents of rivers.

A book of the various places whence the waters of rivers are derived.

A book of the configuration of the shores of rivers and of their permanency.

A book of the perpendicular fall of water on various objects.

Abook of the course of water when it is impeded in various places.

A book of the various forms of the obstacles which impede the course of waters.

A book of the concavity and globosity formed round various objects at the bottom.

Abook of conducting navigable canals above or beneath the rivers which intersect them.

A book of the soils which absorb water in canals and of repairing them.

Abook of creating currents for rivers, which quit their beds, [and] for rivers choked with soil.

General introduction.

929.