Chapter

 1 V     |            assigned a height of 11,400 feet to the maximum elevations,
 2 V     |    altitudes to little more than 2,400 feet. But Herschel’s calculations
 3 V     |           and twenty-two exceed 14,400 feet. The highest summit
 4 IX    |      during combustion it produces 400 litres of gas. This gas,
 5 IX    |            temperature raised to 2,400 degrees, occupies a space
 6 IX    |          powder, we shall have but 400,000 pounds of fulminating
 7 XIV   |             so that you have 2,543,400 cubic feet of earth to excavate
 8 XXIII |         raised to a temperature of 400 degrees it is transformed
 9 XXIII |       seven pounds of oxygen, or 2,400 litres— the quantity necessary
10 XXIV  |           six feet; it magnifies 6,400 times, and required an immense
11 XXIV  |          the heavens.~It had cost $400,000. The first time it was
12 XXV   |            introduction into it of 400,000 pounds of gun-cotton.
13 XXVIII|          the charge should contain 400,000 pounds of gun-cotton,
14 I     |         this projectile are rammed 400,000 pounds of gun-cotton,
15 V     |             under the power of the 400,000 pounds of gun-cotton,
16 XIII  |            isolated, measured from 400 to 500 leagues in length;
17 XIV   |         earth, or in round numbers 400,000 miles. So that invisible
18 XIV   |      increased in round numbers to 400,000 miles, and the heat
19 XVII  |             rose to a height of 17,400 feet the annular mountain
20 XVII  |    appeared to be higher by 300 or 400 feet to the west than to
21 XVIII | temperature will after a period of 400,000 years, be brought down