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Scientific American, Vol. 76, No. 10 (1897) (1897)

leaf 15

An illustration from Scientific American, Vol. 76, No. 10 (1897), 1897, leaf 15
hard. ours very truly, H. A. COHEN, General Manager. AMERICAN SCREW CO’S New Cold-Forged Wood Screw at less cost than any other Ge Send for Sample. stamp or pulverizer made. Patented Mayl0, July 19, 87; Uct. 29,89; Aug. 19, Oct. 21, °90; April 7, May 12,°91; July 19,92 FACTORIES: PROVIDENCE, R. lL…

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