commercial manufacturing television equipment rca agreed pay farnsworth us nbsp million ten year period addition license payments use patents ref name everson everson george ''the story television life philo farnsworth'' new york ww norton co pp ref rca introduced improved camera tube relied tihanyi 's charge storage principle ref name newyorktimes ref called iconoscope zworykin new tube light sensitivity lux thus claimed much sensitive farnsworth 's image dissector however farnsworth overcome power
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