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Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)

Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 42

An illustration from Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries, 1914, leaf 42
46. METALLIC THERMOMETER. A series of rods or stripsof zinc and iron alternating, with their alternate ends fastened together, so that the first rod shall be zincand the last iron, which shouldextend to a curved lever thatoperates a sector and small pin-ion to which the index handis attached. The… … than 47. THERMOSTAT. For an incubator. A coilof zinc and steel ribbonfastened together by rivetsor solder is fixed at its cen-ter end to a block in theincubator chamber and at-tached by a lever to adamper and to a lever onthe wick gear, and controlsboth air inlet and flame.The zinc should be…

Mechanical movements

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