Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 172
6iia. HYDRAULIC SPRINKLER HEAD.—The levers of the toggle joint areheld in place by a strip of fusible alloy thatmelts at about 212 deg. and allows the leversto fly open and release the water sprayvalve. Pressure on the valve is adjusted bythe screw and nut at the top. … 611b. MILK COOLING DE-VICE.—Milk is fed from a tank overthe surface of a hollow copper pan,corrugated to retard its flow, whilecold water is circulated through thepan in the opposite direction,
Mechanical movements
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