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 185
rated by the rapidly changingcurrents passing through 0 0, whichwork the type-wheel escapement;but when the key connected with any particular letter is struck, thecircuit is closed, sufficient magnetism accumulates in the core, w,to attract the armature, x, releasing the arm, u, carrying the…
Mechanical movements
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