GEC K7906

INTERCOMMUNICATION TELEPHONE
Metal cased with no Induction Coil

Wall pattern intercom telephone comprising if electro-magnetic handset, solid back transmitter with metal mouthpiece, automatic cradle switch, 25 ohm buzzer push button line selector and impedance coil.

Comes in 4 sizes:- 5 lines, 10 lines, 15 lines and 20 lines.

Cost in 1926 was £8.16.0 for the 20 line model.

Taken from the 1926 GEC catalogue

Last revised: February 01, 2011