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A combined
wall handset telephone to be used in C.B. and
Automatic exchange areas.
There appears to be no call for this telephone so it was not released, the
Telephone No. 321 being used instead.
This telephone has a magneto bell and provision in the Bakelite case moulding for
three additional keys/press buttons.
Used on extension plans that require an additional gravity springset and more
than one press button.
Telephone Includes:-
1 x Bell No. 59A, Unmounted.
1 x Bell-gong No. 2.
1 x Bell-gong No. 2A Nickelled.
1 x Coil, Induction No. 27.
1 x Condenser, M.C. No. 97.
1 x Cord, Instrument No. 5/28E, 5" (for Dials, Automatic only).
1 x Part No. 1/DCA/89 (Colour).
3 x Part No. 1/DBU/11 (Colour).
1 x Dial, Automatic S.S., No. 12LA & FA ... or Dummy No. 3 (Colour).
1 x Telephone No. 164 (Colour).
Circuit diagram - N429.
Diagram for Button labels - N620.
History, Technical and General Information on 300 type telephones
300 Type telephone circuit
description
Development of the Bakelite Wall
Telephone
Collectors information
Keys for use in 300 type Wall and Table Telephones
How to restore Bakelite
Comparison chart of GPO 300 type telephones
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