Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1123
a heavy steam engine by openingup the throttle valve with a quick jerk. Constant current dynamos are, or should be always equip-ped with automatic regulators, and before the dynamo isstarted special attention must be given the regulator tosee that it is in proper working order. Often it may be… … Fig. 468 machine set to operate at about its highest electromotiveforce, and the variations are taken care of by the otherdynamo. The Brush System.—The brush arc dynamo is quite dis-tinct from other constant current dynamos in general use.The brush arc generator is of the open coil type, the…