GEC K 780
TELEPHONES FOR TRACTION SYSTEMS
OUTDOOR TERMINAL APPARATUS
In Cast Iron Box with adjustable Steel Bands to fit practically any size Pole. The interior consists of a Granular Microphone, Double Pole Receiver, Induction Coil, Automatic Switch and Condenser in Cast Brass Case. The Transmitter and Receiver are easily removable for maintenance purposes. The two Terminals B.B. are for the purpose of connecting a Magneto Call Bell should it be repaired to call out to the terminus.
Price was £7.10.0 .
Taken from the G.E.C. Illustrated Telephone Catalogue 9th edition (1904)
Last revised: January 23, 2011