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.
By Rick Ray
- Stock footage ID: 31400179
Video clip length: 01:11FPS: 29.97Aspect ratio: 16:9Editorial footage license
|HD||$79||1920 × 1080||MOV||666.7 MB|
|SD||$65||852 × 480||MOV||51.8 MB|