India rubber world . for nine hours each day, taking out theIacking for examination every night, replacingit the next morning, for a series of twelvedays—108 hours in all— Black Bear SheetPacking was scarcely affected. A high gradeRed Packing under the same test burned toa char at the end of the first day. Heat does not seem to affect Black Bear SheetPacking. A piece of Black Bear Sheet Packingwas boiled in oil for nine hours, and cameout strong and full of vitality at the end ofthis trying ordeal. A piece of Black Bear Sheet Packinghas been immersed in kerosene oil for severalweeks, and is st


India rubber world . for nine hours each day, taking out theIacking for examination every night, replacingit the next morning, for a series of twelvedays—108 hours in all— Black Bear SheetPacking was scarcely affected. A high gradeRed Packing under the same test burned toa char at the end of the first day. Heat does not seem to affect Black Bear SheetPacking. A piece of Black Bear Sheet Packingwas boiled in oil for nine hours, and cameout strong and full of vitality at the end ofthis trying ordeal. A piece of Black Bear Sheet Packinghas been immersed in kerosene oil for severalweeks, and is still in good condition. Oils do notseem to affect Black Bear Sheet Packing. * Black Bear Steam Hose is made of the same material. Withstanding thesetests we need not tell you, nothing could be better for a Steam Hose. Are you ititerested? Write us for additional information and prices. TRENTON RUBBER MFC. CO. TRENTON, N. J. M^tJtinn T7te India Ruhber World when ymi w^rite. F=^f=i Oil Proof and Acid Proof ^^m^mmmmm. m Perfection for a vSteam Joint Mention llie India. Rubber World when yuu write. THE INDIA RUBBER WORLD [November i, 1904. NEW JERSEY CAR SPRING & RUBBER CO. Ueneral Offices and Works,New York, . -Cleveland, ... Jersey City, N. 10 Barclay 190 Seneca St. CHICAGO, ILL. Distributing: Agents, W. D. Alien Mfg. Co., 151 Lake St. MANUFACTURERS OF High Grade Rubber Goods


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