A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 473
pparatus sometimes employed for an adjust-able resistance. This apparatus is very seldom employed inaccurate work. The parallel cylinders A and B, Fig. 494, areformed respectively of conducting and non-con-ducting materials, the bare wire on which can bewound from eithercylinder to the other.When… … Fig. 494. WheatstonesRheostat. very suitable for accurate measurements, owingto the difficulty of invariably obtaining reliablecontacts. Rheostatic Machine.—(See Machine,Rheostatic.) Rheotome.—A word formerly employedfor any device by means of which a circuitcould be periodically interrupted.. This…
Electricity · Electrical engineering
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