Westington six-pole street-railway generator. The smaller units are connected to the belt, which is typical when the floor space has no restriction. This belted model is not as efficient as the direct-connected model, but for jobs up to 300 horse power the difference can be overlooked.
International Correspondence Schools A Textbook on Electric Lighting and Railways (Scranton, PA: International Textbook Company, 1901)
Courtesy the private collection of Roy Winkelman