Chapter

1 I    |      the use of so many studies worked out, so many difficulties
2 XIV  |       night or day. By day they worked under the rays of the scorching
3 XXIII|  water-tight wooden disc, which worked easily within the walls
4 XXIV |         allowed it to be easily worked toward all the points of
5 II   |        improvised practitioners worked so hard and so well that
6 III  |   minutes of their passage, and worked out figures with unparalleled
7 VII  |         and Regnaut’s apparatus worked with great regularity. Not
8 XV   |     them, if their brains still worked amid all this awe, they
9 XX   | exclaimed the young midshipman, worked up to a pitch of enthusiasm