H. W. Johns Manufacturing Co. · H. W. Johns Mfg Co. · leaf 14
H. \V. JOHNS MANUFACTURING CO. ASBESTOS FIRE=FELT COVERING. (patented.) … For Steam Pipes, Etc. This Covering is made entirely of Asbestos fibre, closely united into a strong, but light, felt-like fabric. It is a superior non-conductor, is absolutely fire-proof and is adapted for highest steam pressure and for super-heated pipes. It is specially valuable for Car Heating…
Asbestos · Insulation · Paint · Roofing
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