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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 226

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 226
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…

Mechanical movements

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