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WOODEN GPO BELL SET No.20 Mark 235

TELEPHONE MAGNETO GENERATOR BOX

 

Type: Wall Magneto

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Manufacture :   GEC

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Production Date :  Manufactured in  1950's

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Produced by GEC - The General Electric Company, or GEC, was a major UK-based industrial conglomerate involved in consumer and defense electronics, communications, and engineering. The company was founded in 1886, was Britain's largest private employer with over 250,000 employees in the 1980s, and at its peak in the 1990s, made profits of over £1 billion a year.

 

For use with table or wall telephones with one exchange line and one extension with intercommunication, or for one exchange line and two extensions with limited intercommunication.

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The Bellset is provided at the main station and batteries provided for internal communication.

 

A Bellset will generally always include a bell and other items such as induction coils, relays etc.  Early table phones where produced with no induction coils or bells inside them and a Bellset was one of the ways to provide these components.

 

Source :

THE TELEPHONE FILE

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