Original classroom trade vintage catalog for SON-NEL PRODUCTS COMPANY, was located at 900- 19th Avenue, Oakland, CA. Manufacturers of classroom chalkboards containing asbestos. Premier Board features a virtually indestructible base of Portland cement and asbestos fibers to assure lifetime service, even in severe climatic environments. Calslate has writing surface bonded to tough, high density backing for economy and durability. Fibraslate has economical hardboard backing of compacted wood fibers. Specifications are provided. Standard colors are shown, also tackboard materials of cork and vinyl available. Basic chalkboard, tackboard and peg board systems specifications, systems and stock trims, special fittings illustrated. Modulewall, vertical and horizontal sliding panels, sing-leaf units, display boards shown. This unique 1964 old eight page architectural design brochure would make a marvelous addition to your retro engineering library. Pages are loose and contain a small amount of residual glue on edge