Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1072
o.—If instead of the brushes B and B as shown in Fig. 426,we collect and transmit the current to the outside circuit i The Dynamo 1037 by means of collector rings as shown in Fig. 428, we willthen have an alternating, instead of a direct, or constantcurrent as before mentioned. In Figs. 429 and 430… … Fig. 430 the simple alternator, shows coil at one-half a revolution FROM Fig. 429. brush m is now negatfVE both) to the rings, and current is led to the external circuitcontaining the lamps by stationary strips of copper whichform a sliding contact with the rings. Eeferring to Fig. 429 it will be…
