TELEPHONE No. 39
Telephone, House, Wall, Direct Call, Intercommunication, secret, 5 way.

Used in conjunction with the single way Telephone No. 37.

Telephone includes (1928):-
1 x Hook 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 Telephone No. 32.

Handset is a Telephone No. 32.

Circuit Diagram - TL 232.

Circuit Diagram - N139.

Made obsolete in 1947.

Information on all House telephone systems


  
 
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Last revised: February 05, 2023

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