Original door trade vintage catalog for AETNA STEEL PRODUCTS CORPORATION. Main office and plant was located at 87-109 Richardson Street, Brooklyn, NY. Manufacturers of Hollow Metal Doors and Trim, Elevator Enclosures, Metal Covered and Kalamein Doors. Standard Details of Combination Frames. Disbound from a large 1938 building materials construction book, this unique four page technical specifications brochure would be a marvelous addition to your retro architectural and engineering library.