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Scientific American, Vol. 67, No. 21 (1892) (1892)

leaf 15

An illustration from Scientific American, Vol. 67, No. 21 (1892), 1892, leaf 15
[NovemBER 19, 1892. 334 Paola VAs ELEVATORS. ‘Moadvertisements. “GRAVE R& *L.S.GRAVES & SON ROCHESTER NY. NEW YORK.BOSTON.ST LOUIS DETROIT. Inside Page. each insertion - - 75 cents a line Back Page, each insertion - - - - $1.00 a line THE HUB FRICTION CLUTCH, The above are charges per agate… … The most important Engineering Works, Mechanisms, the one perfect present, that charms ALUMINUM: ITS USES AND AP- and Manvfactures at home and abroad are illustrated and teaches, all at once; beautiful plications. A valuable and interesting article by G. L. and described in the SUPPLEMENT. THE…

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