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Scientific American, Vol. 81, No. 1 (July 1899) (1899)

leaf 1

An illustration from Scientific American, Vol. 81, No. 1 (July 1899), 1899, leaf 1
*^&\ m.mm wmmmi (<J)~0^ [Entered at the Host Office of New York, N. V., as Second Class Matter. Copyright. 18*1. by Munil & Co.] A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES. NEW YORK, JULY 1, 1899. $3.00 A YEAR. Vol. LXXXI.-No. 1. -No. 1.1 D… … Motor as Actually Made. TTPICAL PERPETUAL MOTION FBAUD — [See page 9.] © 1899 SCIENTIFIC AMERICAN, INC.

Bicycle · Munn · Balls · Scientific American · Ball · Liquid air · Horse power · Ball bearings · Sewing machine · East river · Natural history · Transverse arms · Ball bearing · Turning moment

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