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Scientific American, Vol. 74, No. 9 (1896) (1896)

leaf 3

An illustration from Scientific American, Vol. 74, No. 9 (1896), 1896, leaf 3
nt has been patented by tion face being connected to or forming a part of the balance of the way around. In this manner the gas- Joseph W. Turnbull, and is being manufactured by belt pulley of the inachine to be driven, and the lateral ket is cut out exactly to the shape of the surface upon… … of a cord passed over pulleys at the top and one side, field, Pa., and the improvement is being introduced . Y the end of the cord being secured to a retaining device by F. A. Wood, of Grand Valley, Pa. The upper end CUMMINGS’ SPEED CONTROLLER APPLIED at one side. As the supporting frame and shade…

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