Wooden wall intermediate telephone with switchable extension facility, used in CBS areas.

For 1 exchange line and 1 extension with inter-communication. For intermediate station.

Complete with a generator, trembler bell and magneto bells.

Fitted with Transmitter No. 6 on early types and Transmitter No. 2 on later variants.

Superseded by Telephone No. 3 with Bellset No. 7.

Circuit diagram - N115.

Telephone includes (1928):-
1 x Bell No. 14, unmounted, or No. 9A.
1 x Bell No. 15A, unmounted, or No. 16A, unmounted.
1 x Coil, induction, No. 1.
2 x Cords, instrument, No. 110.
1 x Cord, instrument, No. 222.
1 x Generator No. 2A or No. 4C.
1 x Hook, receiver, F.
1 x Relay No. 3A.
1 x Switch, intermediate.
1 x Transmitter No. 2. (Earlier pattern had Transmitter No. 6).
1 x Condenser, M. C., No. 14, fitted in later issues.
1 x Receiver, Bell, No. 2 B for older type, or No. 1A.

Frames, notice, No. 2, and Labels No. 53, will not be maintained in these instruments.


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Last revised: September 19, 2019