Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 368
1503. SWING BRIDGE, Whipple system. 1504. SWING BRIDGE. Post system. … 1505. CANTILEVER BRIDGE.—The ends, being anchored,balance all other parts on the piers. This cut shows the principle ofCantilever construction. //
Mechanical movements
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