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https://www.enslow.com/title/Philo-T-Farnsworth Philo T. Farnsworth | Enslow.com philo t farnsworth enslow https://brighamyoungcenter.org/s/byp/item/6837?property%5B0%5D%5Bjoiner%5D=and&property%5B0%5D%5Bproperty%5D=7&property%5B0%5D%5Btype%5D=in&property%5B0%5D%5Btext%5D=1858&link=/s/byp/page/documents The Brigham Young Center · 1858 June 9 Letter to Philo T. Farnsworth · Brigham Young Papers philo t farnsworth brigham young center june letter https://www.histv.net/farnsworth-tn-april-1931 Philo T. FARNSWORTH "Scanning with an Electric Pencil", Television News, March-April 1931 philo t farnsworth with an electric pencil television news scanning