TELEPHONE No. 33
Originally called the "Telephone, House, Wall, Intercommunication, 5-Way" it was later renamed as the Telephone No. 33.

This was a wall mounted house telephone with five way switch, call button and trembler bell (DC).

Used with up to five Telephone No. 31's or Telephone No. 48's to make a five 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.

Introduced circa 1906.

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 - N133.

Diagram - TL 230.

Information on all House telephone systems
 

 
 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems
Last revised: September 24, 2025

FM