Demonstration at Engineering Society, 1929
safety negativePHOTOGRAPHS - SOFT NEGATIVES
Rosenfeld and Sons
USA, NY, New York
8 x 10 x 0 in.
8x10 safety negative photographed by Rosenfeld and Sons on November 8, 1929. Image of demonstration at Engineering Society, New York City. Visible in image: three men in three piece suits doing a demonstration, one man holds a wire and pick in one hand and points at the middle man's ear with his other hand, the third man adjusts the dial on the electronic box behind him, which has gauges, dials, sockets and light bulbs, cabinet on end has a crank, a standing and a dial telephone are set out on the desk. CREDIT LINE: Mystic Seaport, Rosenfeld Collection. Typed on original negative sleeve: “36522 11/8/29 / 1987-10 / Bell Telephone Laboratories / 463 West St, City. / Mr. B H Francis, Room 1103 Photo at Engineering Society“.
Mystic Seaport, Rosenfeld Collection