Chapter

 1 I   |      a critical period in the progress of the science of artillery!
 2 I   |        Because their ideas of progress in the Old World are contrary
 3 II  | contributed powerfully to the progress of that arm and gave an
 4 II  |     stop short on the road of progress. I do not hesitate to state,
 5 II  |      century; and whether the progress of artillery science would
 6 II  |     You know,” said he, “what progress artillery science has made
 7 III |      than done.~The triumphal progress of the president continued
 8 VII |     ought to arrive, with the progress on science, at ten times
 9 XIV |    thenceforward arrested the progress of the operation; and on
10 XIX |     follows simply the law of progress. Man began by walking on
11 IV  |    through space. The rate of progress, however rapid it might
12 VIII| friends,” he exclaimed, “what progress we should make if on earth