Bakelite cased handset wall telephone for use in CBS No 1, 2, 3 & Magneto areas and on long lines in CB & Auto areas on extension plans.

Fitted with a DC Trembler bell and has provision for three buttons.

Circuit diagram N493.

History, Technical and General Information on 300 type telephones

Collectors information

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Keys for use in 300 type Wall and Table Telephones

How to restore Bakelite

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Last revised: May 02, 2010