Jan 23, 2018
Mechanical television (1926) by inventor John Logie Baird (3)
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Mechanical television (1926) by inventor John Logie Baird (3)
Mechanical television (1926) by inventor John Logie Baird (2)
Mechanical television (1926) by inventor John Logie Baird (1)
The rear of a Nipkow scanning disk of a Baird Televisor, an early television demonstrated in 1926. The disk had a spiral of holes bored into it, and when rotated, the holes would sweep over an image from top to bottom, slicing it into columns of information.