Used in Automatic exchange areas on two party lines with selective metering.  Introduced in the mid 1930's.

Bakelite cover with magneto bell, capacitor and Coil Induction No. 18.


Diagram - N532 and LD19.

Adjustment of Magneto bells

Click here for the difference between a Bell and a Bellset

How to spot a reproduction Bakelite Bellset cover

Covers and dimensions

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

Last revised: March 03, 2021