Chapter

 1 V    |         their width was about 1,600 yards. Astronomers called
 2 IX   |        mile long; for you see 1,600,000 pounds will occupy a
 3 IX   |      quantity of powder. Now, 1,600,000 pounds of powder will
 4 IX   |         So, then, in place of 1,600,000 pounds of powder, we
 5 X    |         for conical shot simple 600-pound shells, at very moderate
 6 X    |  developed by the ignition of 1,600,000 pounds of powder; and
 7 XV   |         offered to his view.~At 600 yards from the well, and
 8 XXIV |     very moderate altitude of 5,600 feet.~On the west, however,
 9 I    | gun-cotton, which is equal to 1,600,000 pounds of ordinary powder!
10 XII  |          rose to a height of 10,600 feet above the surface of
11 XVII |       attains an altitude of 24,600 feet.~But the projectile
12 XVIII|        in some places to within 600 miles of Tycho, and seemed