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 156
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 water ram.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.