Chapter

 1 III    |            so, without losing your gas. Up to this time no other
 2 III    |           not lose one particle of gas.”~“And yet you can descend
 3 VII    |           to fill it with hydrogen gas, which is fourteen and a
 4 VII    |             The production of this gas is easy, and it has given
 5 VII    |           filling it with hydrogen gas, instead of common air—the
 6 VII    |          between the weight of the gas contained in the balloon
 7 VII    |          forty-seven cubic feet of gas of which we speak, all introduced
 8 VII    |      layers of the atmosphere, the gas within would dilate, and
 9 VII    |          forty-seven cubic feet of gas, to give his balloon nearly
10 VII    |     offered the advantage, that if gas had to be let off, so as
11 VII    |         and also resists acids and gas perfectly. The silk was
12 VIII   |         production of the hydrogen gas. The quantity was more than
13 VIII   |      employed in manufacturing the gas, including some thirty empty
14 IX     |     descend only after letting off gas, and by these processes
15 IX     |    processes your ballast and your gas are soon exhausted.”~“My
16 IX     |         down without expending the gas which is its strength, its
17 IX     |           should have been without gas!”~“But you said nothing
18 X      |            s Five Receptacles.—The Gas Cylinder.— The Calorifere.—
19 X      |          without losing ballast or gas from the balloon. A French
20 X      |        dilating or contracting the gas that is in the balloon by
21 X      |          hydrogen to one of oxygen gas.~“The latter, through the
22 X      |       described to you is really a gas cylinder and blow-pipe for
23 X      |       upper layers of the hydrogen gas, the other amid the lower
24 X      |         below, and it attracts the gas in the lower parts; this
25 X      |         extremely rapid current of gas is established in the pipes
26 X      |    temperature by 180 degrees, the gas will dilate 180480 and will
27 X      |            containing the hydrogen gas, and of the car occupied
28 X      |       effect an ascent, I give the gas a temperature superior to
29 X      |          the midst of this shut-up gas are, of themselves, sufficient
30 X      |    dilation and contraction of the gas in the balloon is my means
31 XI     |          to introduce the hydrogen gas.~The whole day, on the 17th,
32 XI     |            destined to produce the gas; it consisted of some thirty
33 XI     | accurately-ascertained quantity of gas. For this purpose, there
34 XII    |       cylinder, the tension of the gas increased, and the Victoria
35 XII    |        Ferguson, “but still if the gas were to take fire it would
36 XII    |          orifice through which our gas would escape.”~“Then, let
37 XII    |       raise the temperature of his gas eighteen degrees. It might
38 XIII   |      doctor vigorously dilated the gas, and the Victoria resumed
39 XIII   |           a very little while, the gas expanded under the action
40 XIV    |           considerable dilation of gas, and the cylinder was hard
41 XIV    |            certain dilation of the gas. But, in case the doctor,
42 XIV    |            extreme dilation of the gas, the country itself being
43 XV     |     closely to the dilation of the gas.”~“Agreed!”~By this time
44 XV     |       urged by the dilation of the gas, strained and tugged at
45 XVI    |          as it is with inflammable gas!”~“But let us descend, then!
46 XVII   |            the doctor, letting the gas contract, descended so as
47 XIX    |       avoid the escape of precious gas, and then, again, we do
48 XIX    |            No, not quite that. The gas would burn quietly, and
49 XXI    |            part with a quantity of gas proportionate to the surplus
50 XXI    |           had thrown out. Now, the gas is precious; but we must
51 XXI    |           a sufficient quantity of gas in the mixing-tank to feed
52 XXII   |        with the contraction of the gas. For about ten minutes it
53 XXIII  |            releasing a quantity of gas proportionate to his loss
54 XXIII  |          in a few minutes, and the gas dilated; but the balloon
55 XXIV   |           and eighty cubic feet of gas; yet the cylinder consumed
56 XXIV   |          thirty-five cubic feet of gas to feed the cylinder, and
57 XXV    |          would be a consumption of gas, and, consequently, of water,
58 XXVI   |            sixty-two cubic feet of gas had been consumed.~On Saturday
59 XXVI   |         merely of discharging some gas, when he had again to descend.
60 XXVI   |          again to descend. But the gas in his balloon was his blood,
61 XXVI   |         out by the dilation of the gas, rose straight up in the
62 XXVI   |           extinguished for lack of gas; the Buntzen battery ceased
63 XXXIII |         hundred and eighty feet of gas. The dilating apparatus
64 XXXIII |        detached from its hold, the gas dilated, and the new Victoria
65 XXXIV  |         different dilations of the gas. Caught in these eddies
66 XXXVIII|          observe a certain loss of gas. It don’t amount to much
67 XLIX   |          what’s wanting, doctor?”~“Gas, my boy; the ascending force
68 XL     |            augmenting the waste of gas by pressing it against the
69 XLII   |           how will you dilate your gas?”~“I shall not do so at
70 XLIII  |       falling rapidly, because the gas was escaping through the
71 XLIII  |         surprised.~“I have no more gas; well, I’ll cross the river