ASBESTOS BOILER COVERINGS,
Consisting of ASBESTOS CEMENT FELTING, to be applied like a mortar, and ASBESTOS AIR CHAMBER COVERING, in sheets and rolls, for Hot Air and Steam Pipes, Boilers, and other heated surfaces. The most durable, effective and economical appliances known for preventing Radiation of Heat; will save from 25 to 40 per cent. of fuel.
Used by the United States Navy Department and in most extensive Public Buildings.
Asbestos Steam Packing, Boards for Gaskets, Sheathings, Fire, Acid and Waterproof Coatings, Cements for Gas Retorts, Leaky Roofs, etc.
All these materials are prepared ready for use, and can be easily applied by any one.
LIBERAL INDUCEMENTS TO GENERAL MERCHANTS, BUILDERS, AND LARGE CONSUMERS.
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H. W. JOHNS MANUFACTURING COMPANY,