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Mr Moose · 24th Jun 2022, 1:10 am

Hello

The first public BBC 30 line experimental television transmission took place on the 30th September 1929 using the 2LO transmitter in London.
As you suggest, as there was only one transmitter, speech and vision could not be transmitted at the same time so the sound was broadcast first for a few minutes to be followed by the vision.

However by the 31st of March 1930 the BBC twin wavelength station at Brookman's Park had opened so from that date sound and vision were normally transmitted simultaneously using the twin wavelengths.
.
The first BBC television play, "The man with a Flower in his Mouth", was broadcast on the 14th July 1930.

Yours Richard

24th Jun 2022, 1:10 am	#4
Mr Moose Octode Join Date: Jul 2008 Location: Gloucestershire, UK. Posts: 1,043	Re: 1970 BBC feature on 30 line television Hello The first public BBC 30 line experimental television transmission took place on the 30th September 1929 using the 2LO transmitter in London. As you suggest, as there was only one transmitter, speech and vision could not be transmitted at the same time so the sound was broadcast first for a few minutes to be followed by the vision. However by the 31st of March 1930 the BBC twin wavelength station at Brookman's Park had opened so from that date sound and vision were normally transmitted simultaneously using the twin wavelengths. . The first BBC television play, "The man with a Flower in his Mouth", was broadcast on the 14th July 1930. Yours Richard Last edited by Mr Moose; 24th Jun 2022 at 1:21 am.