Book

 1 2|          to run a horse against a wall, and rarely will you find
 2 2| impossible to control them, for a wall which inclines on every
 3 3|          to put yourself behind a wall or embankment. Nothing else
 4 7|          army can do easily)) the wall becomes prey to the enemy.
 5 7|  provision against both evils the wall ought to be made high, with
 6 7|          filling the ditches. The wall, therefore, ought to be
 7 7|       city, and is sustained by a wall that is part of the base
 8 7|       city, are placed behind the wall enclosing the ditch; for
 9 7|          ditch; for to defend the wall from the front, as it is
10 7|         enemy comes to scale your wall, the height of the first
11 7|           the height of the first wall easily protects you. If
12 7|       first batter down the first wall: but once it is battered
13 7|        batterings is to cause the wall to fall toward the battered
14 7|    battered side, the ruin of the wall will result ((since it does
15 7|          impede you, and from the wall of the ditch, in safety,
16 7|          they be distant from its wall. And another to anyone who
17 7|        inside can retire when the wall is lost. What makes me give
18 7|           and opened up part of a wall; whence Messer Giovanni
19 7|        the protection of only one wall or rampart, deceives himself.
20 7|           it at the center of the wall, and then again widen it
21 7|         least one mile around the wall where either farming or
22 7|        enter by the breaks in the wall made by artillery ((as there
23 7|         to dig a ditch inside the wall that is being hit, at least
24 7|           quickly, so that if the wall falls, the ditch will be
25 7|           block house. And if the wall is so strong that it gives
26 7|        inside ditches. But if the wall is weak and does not give
27 7|      tunnelling they undermined a wall, and caused it to be ruined.
28 7|    tunnels, it not only ruins the wall, but the mountains are opened,