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Scientific American, Vol. 37, No. 16 (1877) (1877)
leaf 4
ed on each side of the centre, and portions of the partially refined oil, which might, by im- er atin cca ce reaching to the outside of the rotary piston; planed recesses perfect process, have been allowed to enter the agitator. THE luster of morocco leather is restored by varnishing Petroleum is… … ROOTS BLOWER FOR © 1877 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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