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Scientific American, Vol. 100, No. 19 (May 1909) (1909)

leaf 11

An illustration from Scientific American, Vol. 100, No. 19 (May 1909), 1909, leaf 11
E, it is rotated. Float D serves and must await the hand of the executioner. to lift the chamber C, and relieve the weight on the Indoor Running Machine.—An enthusiastic "Mara- ball bearing. To prevent it from being lifted off en- thoner," who evidently does not get sufficient outdoor tirely from… … INDOOB SUNNING MACHINE. able him to develop his running muscles indoors. The apparatus is on the order of a treadmill. It consists of a rack mounted at an incline in a suitable frame, and provided with a series of rollers on which the athlete runs. The frame is formed with handles at the side, bo…

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