TELEPHONE No. 311

Bakelite cased, combined handset wall telephone (equivalent to the table Telephone No. 310) for use in auto areas on selective shared service with selective ringing and metering.  The instrument had a single press button situated above the dial.

The phone has a relay that stops bell tinkle.

Mark 1 & Mark 2 - do not exist.
Mark 2A - has a Receiver, Inset No. 2P in the handset and switch bracket and plungers of an improved design.

Introduced around 1951.

This phone was superseded by the Telephone No. 321

Supplied by British Ericsson, their model No. N1071D.

Click here for Button labels  - Web users - CD users

Keys for use in 300 type Wall and Table Telephones

History, Technical and General Information on 300 type telephones

Collectors information

Circuit Diagram N411

Click here for the circuit diagram - Web users - CD users

Click here for an article from the Ericsson Bulletin

Telephone No. 311 with the case open.  The wall mounting plate is shown to the right.
Once mounted, the phone case is released from the backplate by one screw and then
the whole body, complete with components swings open.