Voice Frequency Carrier Telegraph Equipment, 1928

safety negative

8x10 safety negative photographed by Rosenfeld and Sons on December 20, 1928. Image of Voice Frequency Carrier Telegraph Equipment. Visible in image: "VOICE FREQUENCY CARRIER TELEGRAPH EQUIPMENT FOR USE WITH 4-WIRE CABLE CIRCUITS / 2 REPEATER BAYS CONTAINING TOTAL OF 4 TERMINAL REPEATERS", machine with knobs and gauges. CREDIT LINE: Mystic Seaport, Rosenfeld Collection. Typed on original negative sleeve: “33335 12/20/28 / 1869-13 / A T & T Co-195 Bdway, City / F J Singer, Room 1629 Copy of retouched photo at studio“. Condition: silvered edges, spots and fingerprints, pinholes in four corners, black paper adhered to gloss, scratched emulsion and gloss. See related print stored in Numerical File under original negative number.

Mystic Seaport, Rosenfeld Collection