Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 507
Fig. 10.—Ames padlock. … LOCOMOTIVES. 483 Padlocks.—A solid bronze sprini? padlock is manufactured by the Union Lock Co., inwhich the shackle does not draw out like a Scandinavian lock, but is hinged and fast on oneend, while the opposite or free end is securely locked by a double bolt, making it itnpossible tobe sprung…
Mechanical engineering
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