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Wireless transmitter
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This image from the 1926 book 'Television: Seeing by Wireless', written by Alfred Dinsdale, A.M.I.R.E., shows John Logie Baird with his wireless transmitting set at 2T.V. It had a power of 250 watts and a wave length of 200 metres. A copy of the first edition of this book fetched over £10,000 at a Christies auction.
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