Original insulation trade vintage catalog for THE FORMICA INSULATION COMPANY. Main office and factory was located at 4662 Spring Grove Avenue, Cincinnati, OH. Manufacturers of laminated phenolic insulation. Forms, grades, characteristics and uses described. Disbound from a large 1943 electrical construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library.