756 | 757 | 758 | 759 | 760 |
1 | 306 | 613 | 919 | 1225 |
smallest wave, and their causes.
9
23.
Book 9, of accidental risings of water.
9
24.
THE ORDER OF THE BOOK.
Place at the beginning what a river can effect.
9
25.
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
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