Original insulation trade vintage catalog for MICA INSULATOR COMPANY, of Schenectady, NY. Manufacturers of Lamicoid, Empire, and Micanite Insulating materials. Detailed charts with material, applications, recommended uses and more. Disbound from a large 1948 electrical construction materials book, this unique old four page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library. Pages are detached and contains a small amount of residual glue on edge.