Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 158
Fig. 231.—Barrel rheostat. For calculation of dimensions, etc.Electrical Engineers, Section 3. see Standard Handbook for RHEOSTATS AND CONTROLLERS 147 … Fig. 232.—Water rheostat. For calculation of dimensions, etc., see Standard Handbook for Electrical Engineers. 500 yolts\ Resistance Cric/6Water Rheostat -E3-
Electric wiring
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