Chapter

 1 I   |           was left but long wooden ladders, down the Yarrow shaft—the
 2 III |           the Yarrow shaft, whence ladders still gave access to the
 3 III |         wooden slides, oscillating ladders, called “man-engines,” which,
 4 III |          only a long succession of ladders, separated at every fifty
 5 III |          landings. Thirty of these ladders placed thus end to end led
 6 III |       light his companion. A dozen ladders were descended by the engineer
 7 IX  |         descend the long flight of ladders, which led down the gloomy
 8 IX  |           the removal of the lower ladders of the Yarrow shaft had
 9 IX  |         rapidly ascended the upper ladders and returned to the light
10 IX  |            lamps, picks, long rope ladders, not forgetting provisions
11 IX  |     ascertained that the four last ladders were wanting.~As soon as
12 IX  |            first down the swinging ladders, and fastened them for the
13 IX  |     exclaim, “Here are bits of the ladders, and some of them half burnt!”~“
14 IX  |         any reason for burning the ladders, and thus breaking of communication
15 XI  |          after the breaking of the ladders.”~“Well, but anyhow he has
16 XI  | interrupted by the breaking of the ladders in the Yarrow shaft. We
17 XIII|           by means of one of those ladders which, continually revolving