Trade Test Films

Trade test colour films were broadcast by the the BBC in the early days of colour television in Britain during intervals when no regular programming had been scheduled. The goal of these transmissions was to provide colour broadcasting in these intervals for use by television shops and engineers (the ‘trade’) to adjust their television sets. The earliest such transmission was made in 1956 (on the then sole BBC channel) but regular all day long films ran from autumn 1967; the last one was in August 1973. In all, 158 different films were broadcast; on average, each film was shown 90 times here are just a few you would have seen.



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