On September 7, 1927, what American inventor demonstrated the world's first working television system with electronic scanning of both the pickup and display devices?
Philo T. Farnsworth Philo Taylor Farnsworth Philo t farnsworth Philo Tayler Farnsworth 202 Green Street Philo Farnsworth
philo tayler farnsworth 202 green street philo farnsworth philo t farnsworth philo taylor farnsworth
philo t farnsworth
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Philo T. Farnsworth