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 914
TORPEDO. 879 … The most effective form of this class of torpedo is the Harvey or otter torpedo, which is repre-sented in Fig. 4139. It consists of an external case A, of wood iron-bound, inside of which isplaced a cubical case of copper, through which passes a brass tube in which is placed the explodingbolt. The…
Mechanical engineering -- Dictionaries
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