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J-M pipe and boiler insulation: catalog no. 100. (1908)

H. W. Johns-Manville Co. · H. W. Johns-Manville Co. · leaf 61

An illustration from J-M pipe and boiler insulation: catalog no. 100., 1908, leaf 61
J-M Standard Hair Felt Hair Felt is largely used for lining refrigerators, refrigerator cars, andice houses; also recommend it for insulating hot water pipes appliedover Asbestos and for the protection of cold water pipes against freezing.Made from selected cattle hair by an improved felting…

Insulation · Pipe insulation · Asbestos

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