Original electrical trade vintage catalog for THE KIRK & BLUM MANUFACTURING COMPANY, was located at 2868 Spring Grove Avenue, Cincinnati, OH. Manufacturers of electrical control enclosures custom built of sheet steel and light plate, stainless, aluminum, monel and other alloy fabrication. Pictured is control board for boilers, feed pumps, turbines and evaporators fabricated for the Columbia Engineering Corp, The Cincinnati Gas and Electric Company, a special test stand, assembly of Engine Control Panels at power plant laboratory of US Air Field, switch gear housing for a hydro-electric plant in the South, and remote control board for large power company serving the industrial middle-west. Disbound from a large 1948 electrical construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library.