Original insulation trade vintage catalog for MITCHELL-RAND INSULATION COMPANY, INC. was located at 51 Murray Street, New York City, NY. Manufacturers of tubings, sleevings, waxes, compounds, tapes, cloths, paper, twines, webbings and mica are listed. For electrical insulation problems, experience and research at your service. Disbound from a large 1944 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.