Original electrical trade vintage catalog for ELECTRIC STORAGE BATTERY COMPANY, was located on Allegheny Avenue and Nineteenth Street, Philadelphia, PA. Manufacturers of Light and Power Failure equipment. Where emergency lighting is needed in many kinds of buildings. Batteries used in hospitals, schools, theaters, plants, banks, stores and engine rooms. Model B-20-12, D-40-12 Units illustrated. Disbound from a large 1938 electrical construction materials book, this unique old two page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library.