Original hardware trade vintage catalog for BOMMER SPRING HINGE COMPANY. Main office and factory was located at 251-271 Classon Avenue, Brooklyn, NY. Manufacturers of Butt, Checking Floor and Clamp Flange Hinges. Strikes and keepers for lavatory doors, stall standards and fittings, pivots. Disbound from a large 1941 construction material book, this unique old three page technical specifications brochure would make a sensational addition to your retro architectural design and engineering library. Pages are detached and contains a small amount of residual glue on edge.