Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 158
549. AUTOMATIC WATER EJECTOR.—Cel> lars and swamps may be drained, where there is awater supply under pressure, by the use of an ejectorwhich may be made automatic by a float acting uponthe valve in the pressure pipe. HYDRAULIC POWER AND DEVICES. 149 … 550. AUTOMATIC SPRINKLER.—The valve is held tightly closed by the diamond-shaped postresting on a bell-crank clip, which is held in positionby fusible solder, melting at about 200° Fah., atwhich temperature the solder melts and the pressurecasts the clips loose. The star washer scatters thestream.
Mechanical movements
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