What diameter and where was the biggest Nipkow disc ever made I wonder?........and the smallest?
Albert.
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Stephen wrote:The largest optical scanning element of which I am aware is the lens disc that Ulises Sanabria used in his theatre projection display system in the early 1930s. This lens disc was 45 inches in diameter and two inches thick, mounting 45 lenses each three inches in diameter. It weighed 120 pounds. See http://www.televisionexperimenters.com/sanabria.html for details.
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