Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 239
Fig. 242.—Aron-Miller Battery Meter Batterv Meter … Fig. 243 When the current flows towards the battery (charge) the magnet will try to placeitself at right-anglesto the direction ofthe current, and indoing so it short-circuits the resist-ance Rj. Whenthe current is flow-ing in the oppositedirection (discharge)the magnet is pre-vented from turningby…
Electrical engineering · Electric power
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