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Scientific American, Vol. 89, No. 26 (1903) (1903)
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cars must be made in order to bring the derrick be derived from rotary converters and static trans- roller in alinement with another roller on the inner next to the car to be unloaded. With Mr. Ware’s appa- formers which convert three-phase current at a press- side of the upright of the gallows… … start the rail Forty miles of this steam road are now operated on the third-rail system. way it can be on the roller transferred to © 1903 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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