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CIRCA 1940s - An animation shows electrical impulses traveling from a camera plate to a receiver scren and a research scientist harnesses electrons in a vacuum tube in 1945.

R

By Rick Ray

  • Stock footage ID: 31400179
Video clip length: 01:11FPS: 29.97Aspect ratio: 16:9Editorial footage license
HD$791920 × 1080MOV666.7 MB
SD$65852 × 480MOV51.8 MB

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