GEC K7805

BATTERY CALL WALL TELEPHONE
(With Induction Coil)

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
Coil. Woodwork of solid well seasoned Polished Walnut and all external metal parts Nickel plated.

Price in 1908 was £0.18.0

Taken from the GEC Telephone Catalogue, K Section, 10th Edition, 1908

K7805

"BYNG"
Battery Call Telephone

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
Cost in 1926 was £2.7.6

Taken from the 1916 and 1926 GEC catalogues

Superseded by the Gecophone Junior telephone range

Additional Pictures

Circuit Diagram

Diagram KS 6340

Installation diagrams

Remember to join the ZE terminals to each other (Earth).
Z (Zinc) is the negative side of the battery and C (Carbon) the positive.

Last revised: May 30, 2023