BELLSET No. 26
|Standard GPO Bellset used with Telephone
No. 232 and No. 1/226 or where a capacitor and bell is
The Bellset is usually wall mounted and the cover was produced in plastic in the colours black, red, green and ivory. The early covers were replaced circa 1975 with a thinner plastic cover coloured grey or ivory.
The early covers were Part No. 1/SCO/1 Colour, the black being produced in Phenolic Resin, Type GX (Specs BS771 & S116) and the three colours in Diakon, Grade L.A. (Spec S116).
The later cover was called the Cover No. 71A Colour and made of Toughened Polystyrene Type 1 (Specs BS3126 & S116).
The early cased bell sets could be fixed under a 100 or 200 type table telephone. Special fixing screws are required which supplied as standard on the earlier bell sets. A Cord, Inst., No. 4/51H, Brown, 9" or Cord., Inst., No 5/22H, Brown, 9" would also be required.
During the 1950's the capacitor was changed to a later model which was cylindrical in shape.
Introduced circa 1932 and superseded by Bellset No. 50A circa 1983.
Bellset includes (1946):-
Bellset includes (1956):-
Diagram - N526.
To connect a Bellset No. 26 to a UK plug and socket system please wire as follows:-
Original bell set with Bakelite cover
Later variant with plastic cover
GPO Factories Dept, Cwmcarn. Bellset No. 26 flow line
(Picture dated 1956)
Last revised: March 03, 2021