"This live image of Paddy Naismith was used to demonstrate Baird's first all-electronic colour television system, [circa 1940] which used two projection CRTs. The two-colour image would be si
"This live image of Paddy Naismith was used to demonstrate Baird's first all-electronic colour television system [circa 1940] which used two projection CRTs. The two-colour image would be similar to the basic telechrome system."
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