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Scientific American, Vol. 42, No. 8 (1880) (1880)
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x . [Entered at the Post Office of New York, N. Y., as Second Class Matter.] AN WEEK LY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES, Vol. XLEL—No. $7 NEW YORK, FEBRUARY 21, 1880. $2.20 per Annum, [NEW SERIEs.] ao / y one hs, i= — i) mm a ——— Tila | || Tr |… … =F Seren ———- | \Wale 2 \ nl it i a ———— —/ \ EEE: naa os Sel -_ - \\\ \ RES WOON, — : ZB Ask THE MANUFACTURE OF SOLID EMERY WHEELS.—WORKS OF THE TANITE COMPANY, STROUDSBURG, PA—[8ee page 117.] © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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