Original paint trade vintage catalog for THE NORTHEASTERN COMPANY. Main office and factory was located at 6 Beacon Street, Boston, MA. Manufacturers of Letteney wood preservatives, a liquid compound from by-products of wholly bituminous coal tar. It penetrates the wood and remains there permanently. Apply by brush, open-tank or spraying treatments. Unbound from a large 1916 architectural catalog, this unique old one page technical brochure would display terrific matted and framed. Nice graphics. A marvelous addition to your retro wood preservatives library.