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A Rediffusion Loudspeaker
Rediffusion was the trading name of Broadcast Relay Service Ltd, formed in 1928. In 1929 the company introduced its first cable radio service in Hull to customers frustrated with the difficulties of tuning in weak radio broadcasts. Initially, the service consisted primarily of rebroadcasts of the BBC Radio service, which was reflected in the trading name: Rediffusion simply means "broadcasting again".
Rediffusion quickly branched out into making, renting, and selling radios, both receivers for its cable services and conventional models. With the arrival of the first experimental television broadcasts in the 1930s, Rediffusion began manufacturing TV sets and supplying "Pipe TV", an early form of cable TV, service to its customers, until the cessation of television broadcasts during the Second World War.
The first British colony to have the Rediffusion service was Barbados in 1934, when Radio Distribution (Barbados) Limited was formed. A year later, Rediffusion (Malta) Limited was formed in Valletta.
In 1947 British Electric Traction acquired a substantial minority interest in Rediffusion. BET acquired a controlling interest in 1967, and the remaining 36% of equity in 1983.
After the war, Rediffusion began operations in several of the then British colonies. These included holding the concessions for wired and over-the-air radio and television stations. A subsidiary company, Overseas Rediffusion, operated these stations and also sold advertising time and programming for them. Stations included the radio station Rediffusion Malaya. The company eventually folded in the 1980s.