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 266
ed back to itsold position by the action of the spring R. 692. ELECTRIC PENDULUM C is a bob inthe form of an electro-magnet vibrating between thepoles of a. permanent magnet. T and N, reversingswitches operated by the motion of the pendulum. S,direct connection to the ground batteries Pi Pa.… … 263 264 HOROLOGICAL, TIME DEVICES, ETC. tX
Mechanical movements
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