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![Scientists, Inventors, and Tinkerers: The Discoveries and Inventions as Precursors that Led to Philo Farnsworth's Invention of Television [Paperback]](/itemImage/2/7/3/7/2_7241338.jpg "Scientists, Inventors, and Tinkerers: The Discoveries and Inventions as Precursors that Led to Philo Farnsworth's Invention of Television [Paperback]")