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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 224

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 224
ion. The entrance of atrain short-circuits the current through the wheels and axles, de-ener-gizing the electro-magnet (relay); and the signal, by force of gravity,assumes the stop position, thus warning the next following train not toenter the section. The signal remains at Stop until every pair… … 222 RAILWAY DEVICES AND APPLIANCES, ETC. White

Mechanical movements

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