Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 160
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. … 551. HYDRAULIC RAM, the « Montgol-fier idea for a fountain supplied by a waterram.
Mechanical movements
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