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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 203

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 203
735. TELEPHONE TRANS-MITTER.—A, A, thin irondiaphragm ; B, india rubber in con-tact with diaphragm and the ivorydisc, C; D, platinum foil betweenthe ivory disc, C, and the carbon disc,E; G, disc and screw for adjust-ment of carbon contact; H, ad-justing screw for diaphragm con-tact.

Mechanical movements

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