Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 158
HYDRAULIC POWER AND DEVICES. 149 … 550. AUTOMATIC SPRINKLER.—The valveis 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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