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.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)
Extent:
019 min.
Color:
Black and white
Sound:
Sound
Provenance:
Received: Dec. 17, 1954 as a donation from the U.S. Army.