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Scientific American, Vol. 64, No. 13 (1891) (1891)
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r cars. The first Boynton loco- traction wheels, and upon the guide rail and trolley and upper switch bar with a shifting section of the motive, described in the SCIENTIFIC AMERICAN in wheels, were hardly perceptible. During a portion of guide rail, whereby, on the moving of the track rail… … © 1891 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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