Original 1941 insulation trade vintage catalog for the EHRET MAGNESIA MANUFACTURING COMPANY.  Main office and plant was located in Valley Forge, PA. Branch offices were located in New York, Philadelphia and Chicago.

Manufacturers of Ehret Heat Insulations. 

With over 40 years experience in the manufacture and application of insulations, the Ehret Magnesia Manufacturing Company provides, with branch offices and distributors, a capable and complete insulation service. Ehret insulation specialists are ready at all times to discuss insulation problems, make recommendations, furnish materials and apply them with the skill that is needed to obtain full value from materials used.

Products include 85% Magnesia, Enduro and Durant Insulated Pipe, all are fully featured.  This company was known to manufacture products with asbestos, many are listed as 'Other Ehret Products - Miscellaneous' on the bottom of page one.

Has product images, description, application and specifications chart to provide product details.

Unbound from a large rare 1941 Industrial Catalog, this unique old two-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro industry library. Pages are loose.