Original insulation trade vintage catalog for WILLIAM BRAND & COMPANY, was located at 276 Fourth Avenue, New York City, NY. and also located at 225 West Huron Street, Chicago, IL. Manufacturers of turbo varnished oil tubing, saturated sleeving, cambric, tapes, cloths and composites for electrical insulation. Other products include block mica and mica films. Disbound from a large 1942 electrical construction materials book, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library. Contains a small amount of residual glue on edge.