TELEPHONE No. 41
Originally called the "Telephone, House, Wall, Intercommunication, Secret, 10 way" it was later renamed as the Telephone No. 41.

Up to ten telephones could be connected togther.

The pictures shows the Telephone No. 39 which is a 5 way telephone.  The Telephone No. 41 has a 10 way selector switch.

Each telephone on the system required a Battery, Leclanche No. 1 CZ, 3 cell.

Could be 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.

Made obsolete in 1947.

Circuit Diagrams - TL232 and N141.

Information on all House telephone systems
 

 
 
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Last revised: October 07, 2025

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