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 174
e links connecting the sockets 57with an arm of an iron core, movable vertically into a series solenoidon the top plate i. The springs may be steel strips coated withcopper. The ends of the heater or solenoid wires are connectedto the upper and lower parts of the spring, which is divided by… … 413. SEARCH-LIGHT
Mechanical movements
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