Wall mounted, 10 way, house telephone with ten way switch, call button and trembler bell (DC).

Used with up to ten Telephone No. 31's or Telephone No. 48's to make a 10 telephone house system.

In addition to the telephones, four 1.5v dry batteries and a Coil Inductor, 3 terminal are provided.

Uses a Telephone No. 30 as the handset.

Sub-stations could also be the Telephone No. 46.

Detail as for Telephone No. 33.

Telephone includes (1928):-
1 x Hook for Micro-telephone.
1 x Switch, Selector.
1 x Bell, Trembler.
1 x Press Button.
1 x Telephone No. 30.

Circuit diagram is dated 1917.

Made obsolete in 1947.

Circuit Diagram - N135.

Information on all House telephone systems


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Last revised: February 05, 2023