325527. Baird, John Logie (1928, September 21)
Posted: Sat May 19, 2007 1:25 amA scanning disc with electrical discharge points for activating a phosphorescent screen.
Narrow-Bandwidth Television Association
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325527. Baird, John Logie (1928, September 21)
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Posted: Sat May 19, 2007 1:25 am