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Scientific American, Vol. 50, No. 24 (1884) (1884)

leaf 15

An illustration from Scientific American, Vol. 50, No. 24 (1884), 1884, leaf 15
Stamp for Illustrated 36-page Catalogue. JAMES LEFFEL & C0, & corresponding to the words spoken, and which articula- 2 tions produce simifar articulate sounds at the receiver, THE POPE MFG CO., Springfield, Ohio. lt is a Purely Mutual Company. It never The Commissionerof Patents andthe U. 8.… … to thirteen million doilars. Thermometers Photographic Outfits for Amateurs. 5. W. 1. WALMSLEY & CO. successors to R, & J. 48 Cedar Street, THE WESTINGHOUSE MACHINE CO., Beck, Philadelphia. Lilus. Price List free to any address. It is a Prudently Managed Company. In New York. estimating its…

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