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Scientific American, Vol. 69, No. 19 (1893) (1893)

leaf 6

An illustration from Scientific American, Vol. 69, No. 19 (1893), 1893, leaf 6
the Sperry car pulled 4,700 pounds on the draw- shown. The principle of flexibility which pervades is believed to be the first direct-coupled are machine bar before the wheels slipped. A double motor equip- the Brush apparatus is to be found in the switchboards, ever built. Heretofore the largest… … sizes—all of the regular sizes manufactured by years, and after a few days’ run on the road with another motorman he is considered capable of this company. In addition to this display, the Brush Company has a very handsome working handling and manipulating the electrical appa- exhibit in the…

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