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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 (1910)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 170

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, 1910, leaf 170
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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