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1939 phonoVision

PostPosted: Sun Sep 13, 2020 11:54 am
by Harry Dalek
The bulletin. (1 Feb 1939) This is interesting no mention of baird's work on phonovision but looks like they were having a go at 405 line mechanical recording ...making a phono cartridge with a bandwidth in a few mhz range would be a problem perhaps the reason nothing else was heard of it