Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 519
backward action. The forward motion places the car-tridges in the chambers of the barrels and closes the breech at the time of each discharge, while thebackward motion extracts the empty cartridge-cases. The gun can be fired only when the barrelsare in motion from left to right; thus the several… … ORDNANCE—MACHINE-GUNS. 497 hopper communicating with the chambers. As soon as one case is emptied another takes its place,and thus continuous tiring is kept up at the rate of 1,000 shots a minute. The five-barrel Gatling ismounted on a tripod, weighs only 100 lbs., and fires at the rate of 800…
Mechanical engineering -- Dictionaries
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