CALL WALL TELEPHONE
Comprising a Manchester Shot Carbon Transmitter with Metal Mouthpiece, Watch Receiver and Flexible
Cord, Automatic Switch, Call Push, 3-in. Circular Call Bell and Induction
Wall pattern battery call telephone (named Byng by GEC) comprising induction coil, inset transmitter with Electrose mouthpiece, `Stanley' receiver, trembler bell, ring key and automatic switch hooks. Call button on side of case.
This instrument is constructed of polished walnut and the finish of all external metal work is oxidised.
Cost in 1916 was £0.19.3
Diagram KS 6340
Remember to join the ZE terminals to each other (Earth).
Last revised: May 30, 2023