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 515
494 ORDNANCE—GUN-CARRIAGES. … help than that involved in bringing up the ammunition ; and far greater rapidity of fire is obtainedthan is possible with manual labor. The loading positions are duplicated, so as to give a reserve incase of accident, or to enable that one to be selected which may best keep the turret-port out of…
Mechanical engineering -- Dictionaries
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