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 722
125 0.26 0.14 0.47 0.54 0.03 1434171322241 O « 3... 4 6 8 Totals. . 25 41 B.69 125 It was considered as proved that no burglar could duplicate the conditions under which the test wasmade, and that, despite the advantages of these, the failure to pierce the franklinite by more than.25 of an inch was… … the burglar-proof bankers chest, showing three chests, one within the other. Fig. 3V18 shows theconstruction of a bank-vault door, the vault itself being built of masonry. Marvins Burglar-Proof Safe, made by Marvin & Co. of New York, is represented in section inFig. 3719. It is made with solid…
Mechanical engineering -- Dictionaries
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