St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 159
Fig. 238. Fig. 239. 165. The Controllers, as the name suggests, controlthe speed of the car by allowing more or less current topass through the motors. The motors, resistance coilsand controllers are so conneefted with each other thatthe amount of current used can be regulated. 156 EIvECTRIC CARS,… … Fig. 240. motor after the other. The motors being joined inseries by the proper connedlions at the controller, thegreatest resistance is offered to the current and the carruns at the slowest speed at this first notch. As moreresistance is cut out by turning the handle to othernotches, the car…
Electricity
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