Chapter

 1 VII  | projectile an initial velocity of 500 yards a second. The Rodman
 2 VII  |           a projectile weighing 2,500 pounds. And, now, what is
 3 VII  |          guns discharging shot of 500 pounds, and the Rodman guns
 4 IX   |          without danger, compress 500 pounds of cotton into twenty-seven
 5 X    |    Parsonstown, which magnifies 6,500 times, brings the moon to
 6 X    |     surface to within less than 1,500 yards!~
 7 XIII |    isolated, measured from 400 to 500 leagues in length; that
 8 XIII |    breadth varied from 1,000 to 1,500 yards, and that their borders
 9 XVII |           a central mountain of 1,500 feet. A vast circle, in
10 XVIII|        continent at a distance of 500 yards at most, and that
11 XX   |        Susquehanna, a corvette of 500 horse-power, of the United