Original classroom trade vintage catalog for BECKLEY-CARDY COMPANY. Main office and factory was located at 1632 Indiana Avenue, Chicago, IL. Manufacturers of Slatebestos, the Permanent Blackboard with asbestos, was installed in over 3000 schools in 48 states. Slaterock, Slatoplate, Simplex Cork Bulletin Board, Metal Mouldings, Peerless Display Rail for maps, bulletins, pictures. Disbound from a large 1938 construction equipment book, this unique two page technical data specification brochure would display wonderfully matted and framed. A marvelous addition to your retro architecture design and engineering library.