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Scientific American, Vol. 67, No. 13 (September 1892) (1892)

leaf 15

An illustration from Scientific American, Vol. 67, No. 13 (September 1892), 1892, leaf 15
DENCE, R. I. 95 MILK ST., BOSTON, MASS. This Company owns the Letters Patentgranted to Alexander Graham Bell, March7th, 1876, JSTo. 174,465, and January 30th,1877, No. 186,787. The transmission of Speech by all knownforms of Electric Speaking Telephones in-fringes the right secured to this… … styles and sizesfor the season of1892, $6.00 to $65.00. HELIGOID SHANK WOOD SCREWS. U. S. FaU.: Jaly S, 1SS5 Joly 1, 1890 ; Feb. 17 and Mar. 15,1893. - This patent- ^. ed improve- BB^M^MyMUM^yUWyU^^ m e n t in^^^^^^^^^■B^^^^^H^^Hip^ wood screws^■^^^^^^^^n V f V P P I V P P I V is especially^…

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