Original hardware trade vintage catalog for BOMMER SPRING HINGE COMPANY. Main office and factory was located at 251-271 Classon Avenue, Brooklyn, NY. Butt Hinges, Lavatory Door Hardware, Checking Floor, strikes, bolts, latches, fittings for office buildings, hospitals, schools. Clamp flange spring, keepers, stall standards, pivot-hinges. Disbound from a large 1938 building material construction book, this unique three page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro architecture and engineering library.