The wonders of modern mechanism. A résumé of recent progress in mechanical, physical, and engineering science (1896)
Cochrane, Charles Henry, 1856- · Philadelphia J.B. Lippincott · leaf 113
it were cylindrical in shape, it would have to be with-drawn and then swung open—a loss of one complete mo- 106 WONDERS OF MODERN MECHANISM. tion. The projectile is loaded from a little hand-barrow,and the shell after firing is removed in the same way—apowerful extractor loosening the shell so that… … ARMSTRONG GUN. such a manner that, when it is turned about its own axis,the fitted part acts as a lever or pry, and brings the car-tridge to the rear. The extractor is brought back to itsplace, as the breech is closed, by means of a strong helicalspring outside the gun. The gun itself is of wrought…
Inventions · Mechanical engineering · Machinery
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