TELEPHONE No. 218
Introduced in 1933 this Bakelite cased CB or Automatic instrument was intended for use with Box, Coin Collecting No. 14 and various non-ASTIC Bellsets.
The induction coil was located in the Bellset with just a transformer inside the body of the telephone.
The telephone was supplied with just a drawer-less base plate.
Terminal nuts are 4BA (Part No. 1/SNU/51).
The frame that supports the switch hooks, also
has terminals and contact springs attached. The contact
springs came with either one contact or two contacts per spring.
This telephone could use either - the parts numbers are as follows:-
Telephone No. 218:-
Circuit diagram - N318.
Circuit diagram - AT2411.
Circuit diagram - CB1517.
Paster Diagram - LD11.
Last revised: December 19, 2022