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Watching the Derby on a Baird television, 1931. We suspect that the velvet-jacketed flapper on the right may have a betting slip in her fistPhotograph: Hulton Archive/Getty Images
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display at the Radio Exhibition in 1938. The BBC had begun regular TV transmissions from Alexandra Palace two years earlierPhotograph: Central Press/Getty Images
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Baird experiments with colour TV apparatus at his home in Crescent Wood Road, Sydenham, south London. BBC TV had ceased transmission for the second world war, returning in 1946Photograph: Science & Society Picture Librar/Getty Images
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a Dynatron combined radio and television - it looks like it might also do as a sideboard - on show at Olympia in 1949Photograph: Hulton Archive/Getty
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The sideboard look still holds, although it's a sleeker, Festival of Britain-style sideboardPhotograph: Keystone/Getty Images
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- still black-and-white, but able to handle higher resolution 625-line UHF transmissions, as well as the 405-line ones standard in Britain since 1936. BBC2 launched in 1964 as a UHF-only service, starting to add colour three years later; 405-line transmissions finally ceased in 1985Photograph: Science & Society
