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Scientific American, Vol. 44, No. 21 (May 1881) (1881)
leaf 3
ine for separating oil one end of the truss spring by a pin passing through a slot waste pipes for closing such pipes when not in use, but no from metal chips, such as turnings, drillings, chips from in the end of the truss spring, and the other end of the provision has been made for preventing… … over the top of the wick tube and thus extin- into furnace, heated to a welding heat, then ROPER'S OIL SEPARATOR. guish the flame. ©1881 SCIENTIFIC AMERICIAN, INCPatented · Ammonia · Gamgee · Silk · Patents · Scientific American · Inches · Trade catalogs · Liquid ammonia · Silk culture · Floor beams · Professor gamgee · Steam engine · High pressure · Low pressure · Induction coil
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