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Scientific American, Vol. 90, No. 16 (April 1904) (1904)

leaf 15

An illustration from Scientific American, Vol. 90, No. 16 (April 1904), 1904, leaf 15
e 86 calculating machine^c which does more work thanI the most expensive. Adds jI 9 columns at once. Hub-^| tracts—Multiplies.-Divides. Sim AlumiriumModel $tQ0 0 I pie, rapid, I handy. ^cua£ It i CannotIr make mis ftakes-lifetime. a all you claim for it. I A. R. HARPER, Danville,lll. I We highly… … IFSSOPS STEELS1 \J*~V FOR TOOLS, SAWS ETC. W« JESSOP & SONS US 91 JOHN ST. NEW YORK PRESIDENT SUSPENDERS Comfort Mid service. Guaranteed—All breaks made good; 50c and $1.00.Any shop or by mail. C. A. EDGARTON MFG. CO.. Box 310. Shirley. Mass. © 1904 SCIENTIFIC AMERICAN, INC

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