J-M pipe and boiler insulation: catalog no. 100. (1908)
H. W. Johns-Manville Co. · H. W. Johns-Manville Co. · leaf 45
adjacent pipes or partitions to permit of the use of thicker or less flexiblematerials, such as sectional coverings; for use between the steel shell andthe brick setting of Water Tube Boilers, to take up expansion and con-traction and prevent the setting from cracking; for covering heaters… … J-M Sectional Conduit (patented) For Underground Insulation A simple, practical, pennanent and eflScient protection and insulationfor underground steam, hot water, refrigerating, oil pipes, etc. Everycondition met with in underground installation has been fully providedfor. The illustrations on the…
Insulation · Pipe insulation · Asbestos
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