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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 720

An illustration from Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts, 1880, leaf 720 — or bywedging. The rubber packing makes an air-tight joint, and protects against the introduction ofexplosives. Probably the most severe tests to which any system of burglar-proof construction has ever beensubjected were made on a representative section of the Herring safe on Oct. 1-8, 1879, by Park… … 690 SAFES. 3717.

Mechanical engineering -- Dictionaries

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