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Soldiers operating in the field during the 1940s demonstrate an alternative method by which orthotolidine is used to test for chlorination in water, by using a military issued-kit. (1940s)

R

By Rick Ray

  • Stock footage ID: 19894678
Video clip length: 01:09FPS: 29.41Aspect ratio: 3:2Editorial use only. Learn more
SD$65720 × 480MOV67 MB

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