Bell telephone, diagram of interior, 1919
glass negativePHOTOGRAPHS - GLASS NEGATIVES
Rosenfeld and Sons
USA, NY, New York
overall: 10 x 8 in.; 25.4 x 20.32 cm
8x10 glass plate negative taken by Rosenfeld and Sons on January 23, 1918. Image of Telephone and Box. Visible in image: "Special No. 1317-P Telephone Set / Per D-12444 / SP. No. 143-A Switch Hook / Per D-6156 / Includes contact Springs / and hook for receiver. / SP. No. 38-B Ringer / Per D-2121 / SP. No. 13 Induction Coil / Per D-12443 / No. 21-F Condenser / No. 48-A Generator / Generator / Crank / P-131286 / with black / finish. / Western Electric Improved Blue Bell Battery / in Weatherproof Battery Carton.", diagram of electrical curcuit, and insides of telephone. Written on original negative sleeve: "Copy of Telephone /& Box / AT&T".
Mystic Seaport, Rosenfeld Collection