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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 182

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 182
mentarily destroyed by the tap of the bellhammer, and immediately re-established by the electric waves. Small choking coils, k^ li—that is to say, coils wound so as to haveself-induction or electric inertia—are introduced between the cohererand the relay, their effect being to compel the greater… … i8o ELECTRIC POWER AND DEVICES.

Mechanical movements

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