Philo T. Farnsworth transmits and receives an image of a white blob of light using his patented Image Dissector Camera and a cathode ray tube developed by A.A. Campbell-Swinton.
Philo T. Farnsworth transmits and receives an image of a white blob of light using his patented Image Dissector Camera and a cathode ray tube developed by A.A. Campbell-Swinton.