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Soldiers operating in the field during the 1940s use orthotolidine to test whether they water they are purifying is ready to drink (1940s)

R

By Rick Ray

  • Stock footage ID: 19894960
Video clip length: 01:24FPS: 29.41Aspect ratio: 1.46:1Editorial use only. Learn more
SD$65702 × 480MOV63.3 MB

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