GEC K 25
BATTERY WALL TELEPHONES
COMPLETE TELEPHONE STATION
Wall pattern telephone with "Byng" Transmitter.
1907 - £1.2.6.
Taken from a G.E.C. Telephone Catalogue (1907)
Wiring two Telephones together
Each telephone requires three 1.5 volt batteries. The phones are connected together by two wires.
At each telephone connect the batteries as follows:-
Connect the two phones as follows:-
Last revised: November 24, 2020