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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 44

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 44
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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