A textbook on the locomotive and the air brake (1901)
International Correspondence Schools · Scranton, Pa., International textbook co · leaf 75
tions. It requires no attention from thetrainmen, performing its duties automatically, as far as theyare concerned. CAR LIGHTING. §12 It contains the switchboard, and also the ammeter thatmeasures the amount of current being used. A is the ammeter,S the main-light switch, R the relay or… … Fig. 35. the current as it comes from the dynamo, so that the batteriesare always charged in the right direction, regardless of thedirection of rotation of the armature. 87. Make-and-Break Switch.—A device of much im-portance is the make-and-break: switch E, Fig. 35. When I § 12 CAR LIGHTING. 59…
Locomotives · Locomotive boilers · Railroad cars
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-156-53.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-153-122.webp)
