This wall telephone was used with Bellset No. 14 on call box cabinets in the London Stock Exchange.

These phones were powered by a 22v DC power lead fed directly from the London Wall Telephone Exchange.

Telephone includes (1928):-
2 x Cords, instrument, No. 116.
1 x Cord, instrument, No. 222.
1 x Transmitter No. 1.
1 x Receiver, Bell, No. 1A.

Diagram Misc. 1066.

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Last revised: February 04, 2020