ATM TELEPHONE L.11549

L.11549

Bakelite table table telephone, used with a Bellset in Automatic exchange areas.

Also used on Private Automatic Exchanges.

Fitted with an American or UK dial.

A2 variant is similar to the GPO Telephone No. 162.

B3 variant is similar to the GPO Telephone No. 232.

L.11549A2

External view

Base of phone

Handset with ATM insignia

Inside the phone - note the transformer to the right and the American dial

L530112 circuit diagram pasted to inside of base.  Note that the base has a black painted lead weight fitted.

L.11549B3 Special
This telephone is similar to the GPO Telephone No. 232 and has an Induction Coil

Front view

Base of Telephone.

L530316 circuit diagram pasted inside base plate

Last revised: March 22, 2022