Purification of water
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Source: collections.nlm.nih.gov
Video source record: https://collections.nlm.nih.gov/catalog/nlm%3Anlmuid-9506776-vid
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Summary
| Description | This US Army training film illustrates the importance of avoiding drinking polluted water while in the field. Various methods of purifying water are shown. Equally important is testing the water after treatment to make sure that the chemicals for purification have been used correctly and in the right quantities. Received: Dec. 17, 1954 as a donation from the U.S. Army. |
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| Source | collections.nlm.nih.gov |
| Author | United States. Army. Signal Corps., United States. Army Service Forces. |
Licensing
Public Domain
Attribution: United States. Army. Signal Corps., United States. Army Service Forces.