Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 956
bottom at nearly the same time that it becomeswedged in its seat, otherwise too great a force is required to drive it out;on the other hand, if the plug touches the bottom before it binds on the sides, it will fly out again, andnot produce the desired effect. Conclusions.—The following are some of… … 954 GUNPOWDER. der is to test it, with service charges, in the arms for which it is designed; for which purpose th«ballistic pendulums are perfectly adapted. Although the present tendency to the use of cannon of very large calibre would make the proof bymeans of a 32-pounder or 24-pounder gun more…
Mechanical engineering · Mechanics · Engineering
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