Telephone, House, Table, Direct Call, Intercommunication, Secret, 15 way. 

The telephone on the right is the 10 way variant.  The 15 way just has 5 additional contacts on the front rotating switch.

Telephone included (1928):-
1 x Cradle for Micro telephone.
1 x Switch, Selector.
1 x Bell, Trembler.
1 x Press button.
1 x Vibrator.
1 x Coil, Induction.
1 x Relay, cut-in.
1 x Rose, Wall.
1 x Telephone No. 32.

Handset is a Telephone No. 32.

Similar to Telephone No. 58.

Made obsolete in 1947.

Diagram - TL 232.

Circuit Diagram - N160.

Information on all House telephone systems


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Last revised: February 06, 2023