Chapter

 1 VII    | stopcocks. He joined to these a spiral, two inches in diameter,
 2 VII    |   possible amount of space. The spiral, which was not to be adjusted
 3 X      |      helicoidal or screw-shaped spiral, the rings of which, rising
 4 X      |     again issuing from it, this spiral runs into a small cone with
 5 X      |         midst of the helicoidal spiral, and the extremity of their
 6 X      |    lighted, the hydrogen in the spiral and in the concave cone
 7 X      |         in the pipes and in the spiral, which issues from the balloon
 8 XVII   |        the water.~The pipes and spiral seemed to be in perfect
 9 XXIII  |      light in the cylinder; the spiral became heated; the current
10 XXIV   |      the amount required in the spiral, although it is true that,
11 XXV    |         than even this. With my spiral I have subjected it inside
12 XXXIII |     neither the battery nor the spiral had been injured.~The ascensional
13 XXXIV  |        pieces; the pipes of the spiral bent to and fro, threatening
14 XXXVIII|         or that the heat of the spiral has melted the gutta-percha,
15 XLII   |        the cylinder-chests, the spiral, and the Buntzen battery.
16 XLII   |  balloon and connected with the spiral. Joe succeeded in cutting