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Scientific American, Vol. 90, No. 17 (1904) (1904)

leaf 11

An illustration from Scientific American, Vol. 90, No. 17 (1904), 1904, leaf 11
The invention provides for the first practical application of a theoretical prin- Edinburgh, has invented another method of using car- continuous frog intersections or steel filler blocks, ciple, was, according to him, to offer to cyclists the bureted air for lighting. It is an improvement upon… … side or the other. The brake is provided with an automatic arrangement that pre- wheels are carried for a short distance on the flanges, vents the motor and the cyclist’s seat from becoming cow, in which carbureted air was obtained by employ- instead of on the wheel proper. As this carries the…

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