Original metal trade vintage catalog for ALAN WOOD STEEL COMPANY. Main office and factory, was located in Conshohocken, PA. Manufacturers of AW 70-90, Super Strength steel plates and sheets, types SSA and SSAA. Corrosion-resistance, fabrication, welding and finish discussed. Unbound from a large 1936 engineering catalog, this unique old one page technical brochure would display beautifully matted and framed. A fantastic addition to your retro metal library.