Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 157
m is fastened rigidly to the hand-wheel.When both arms are in line and on the first point, all resistance is short-circuited. Rotation ofthe hand-wheel to the right carries the short arm around, leaving the long arm in its originalposition. When the short arm has made a half revolution, a… … Fig. 231.—Barrel rheostat. For calculation of dimensions, etc.Electrical Engineers, Section 3. see Standard Handbook for RHEOSTATS AND CONTROLLERS 147
Electric wiring
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