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Scientific American, Vol. 63, No. 20 (1890) (1890)

leaf 15

An illustration from Scientific American, Vol. 63, No. 20 (1890), 1890, leaf 15
scription and price list to THE MIDGe- the Essential Features greatly perfected THE EASTMAN COMPANY, The Most Durablen Alignment. *, Poles, Chains, ete. LEY WIRE BELT CO. of BEAVER FALLS, Easiest Running and Most Silent. = Catalogue on application. PENNA., U. S. A. Responsible agents wanted to sell… … Tae ScleuenTiIFIC AMERICAN SUPPLEMENT is published FFEATHER PILLOW VENTILATORS.—Send TEMPERING STEEL FOR CANNON weekly,and includes avery wide rangeof contents. It 15 cents for set of four and instructions. Agents The Foremost Review of the Uppermost Sub- and Projectiles—By Watson Smith, F.C.S. A…

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