Original insulation trade vintage catalog for EUREKA PACKING COMPANY, was located at 256-258 Forty-Sixth Street, Brooklyn, NY. Manufacturers of oval gum core, Ambest metallic, square flax, dry braided caulking, asbestos lead joint runners and valve stem packing. Unbound from a large 1936 architectural catalog, this unique old one page technical brochure would exhibit beautifully matted and framed. A fantastic addition to your retro packings collection.