Part,  Chapter

 1 1,3| discovered a substance which replaced tinder. It is known that
 2 1,0|   they would soon need to be replaced. Moreover, if the winter
 3 1,0|   the joiners had soon to be replaced by carpenters. In fact,
 4 1,0|    sort of rough cart, which replaced the former inconvenient
 5 2,3| flints which could be easily replaced, and the latter needing
 6 2,9|    this simple system, which replaced the primitive ladder, and,
 7 2,9|     light carriole which had replaced it, made frequent journeys
 8 2,1|   time when the mallets were replaced by cylinders of compression,
 9 3,3|   had been at the tiller was replaced by one of his comrades,
10 3,8|      But now the vapors were replaced by a thick smoke, rising
11 3,9|     sort of flat table which replaced the ancient crater. From