Original 1942 industrial trade vintage catalog for the PHILADELPHIA QUARTZ COMPANY.  Main office was located at 121-129 South Third Street, Philadelphia, PA. The works was located in Baltimore, MD.  (Established 1831).

Manufacturers of Silicates of Soda, Sodium Metasilicate and Sodium Sesquisilicate.

Has product description, applications and specifications to provide product details.

Unbound from a large rare 1942-1943 Process Industries Catalog, this unique old one-page technical brochure would display beautifully matted and framed. A fabulous addition to your retro industrial chemical library.