Stock video

In the absence of orthotolidine, soldiers operating in the field during the 1940s test purified water for adequate chlorination by asking another soldier who did not participate. (1940s)


By Rick Ray

  • Stock footage ID: 19894885
Video clip length: 00:44FPS: 29.41Aspect ratio: 3:2Editorial use only. Learn more
SD$65720 × 480MOV48.4 MB