Original elevator trade vintage catalog for CHELSEA ELEVATOR COMPANY. Main office and factory was located at 101 Park Avenue, New York City, NY. Manufacturers of Electric and Hand Operated Dumbwaiter and Elevators. Class B, AA, A Engines. Automatic and Semi-automatic Gates and Boxes, Door and Gate Contacts, Locks, Slack Cable Switches and Hatchway Limit. Disbound from a large 1931 elevator construction materials book, this unique old one page technical brochure would display wonderfully matted and framed. Nice graphics. A marvelous addition to your retro elevator equipment library.