TELEPHONE No. 393


Bakelite cased handset wall telephone for use in CBS No 1, 2, 3 & Magneto areas and on long lines in CB & Auto areas on extension plans.

Fitted with a DC Trembler bell and has provision for three buttons.


 

Circuit diagram - N493.

Diagram for the Button labels  - N620.

History, Technical and General Information on 300 type telephones

Development of the Bakelite Wall Telephone

Collectors information

Keys for use in 300 type Wall and Table Telephones

How to restore Bakelite

 
 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: December 10, 2020

FM