Demonstrating safety procedures on equipment inside the company at 141st St. & Willis Ave. (now the site of the Mott Haven Houses). The company specialized in steel file cabinets and other office equipment.
Side view of the Electro-Chemical Engraving plant at 1100 Brook Ave near 167th St. The firm specialized in etched lithographs, chemical dyes, and precision stamped metal parts. The firm produced parts for the Norden Bomb Sight during World War II.