| Chapter # | Sentence # | Quote |
|---|---|---|
| 10 | 23 | The sapping trench, of View more quotes about course">course, requires much less labor on the part of the besiegers but, too, it is less difficult to detect and stop than the mines. |
| Chapter # | Sentence # | Quote |
|---|---|---|
| 10 | 20 | Even the openings to the mines, now gated, and closely guarded, were further to the rear. |
| 10 | 21 | The only closer entrenchments were sapping trenches, partly covered with wood, leading directly toward the walls. |
| 10 | 22 | These were used not only for attempting to undermine the walls, but also for providing cover to men advancing for assaults. |
| 10 | 23 | The sapping trench, of course, requires much less labor on the part of the besiegers but, too, it is less difficult to detect and stop than the mines. |
| 10 | 24 | The mine, of course, need not stop at the wall, but can proceed within the city and when opened, pour soldiers out, behind the walls. |
| 10 | 25 | The wall mine is usually terminated at the wall, which is then undermined but kept temporarily in place with a system of supports. |
| 10 | 26 | Then later, concerted with an attack, these supports may be burned or, more dangerously, struck away. |