BELLSET No. 18
Bellset used with C.B. table sets for 2-party party-line (shared service) circuits on automatic systems.

For X stations, used with Telephone No. 124.
For Y stations, used with Telephone No. 136.

Bellset includes (1928):-
1 x Bell No. 1A, unmounted, with bias spring.
1 x Coil, induction, No. 14.
1 x Condenser, M.C., No. 1.
1 x Condenser, M.C., No. 30.

Diagram A.T. 791.

Click here for more information on Bias Springs.
 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: October 30, 2022

FM