TELEPHONE No. 310
Introduced in 1947, this Bakelite cased, combined table handset telephone was used by the BPO in Auto areas with a Bellset No. 41 on shared service separate metering lines.
The case has provision for one press button only and was supplied with a label stating "Call Exchange".
Superseded by the Telephone No. 312 in 1949.
The wall equivalent is the Telephone No. 311.
Made By Ericsson, model N1003M1
Picture by Paul Follet.
Diagram for telephone circuit - N410.
Diagram for Button labels - N620.
Some models made by British Ericsson, their model N1003B
Internal View of the Telephone No. 310
Note the Telephone Number and date between the bell gongs
Last revised: December 01, 2018