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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 174

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 174
405. MULTI-SPEED ELEC-TRIC MOTOR. A handwheeland set of bevel gears draw thefield magnets away from the arma-ture for varying the speed by chang-ing their distance apart. Model ofthe Stow Mfg. Co. … 406. DRUM CONTROLLER in which varia-tions in speed are controlled by throwing into thecircuit resistance in sections suitable to the require-ments for different speeds. The details of construction vary greatly to meetthe purpose for which they are to be used, and aremade in rheostatic or resistance…

Mechanical movements

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