Bakelite handset wall
telephone for use in CBS No's 1, 2, 3 & Magneto areas
and on long lines in CB and Auto areas, on extension plans.
Fitted with a Magneto bell and has provision for three buttons.
Circuit diagram N495.
History, Technical and General Information on 300 type telephones
Click here for Button labels - Web
users - CD users
Keys for use in 300 type Wall and Table Telephones
How to restore Bakelite