Una gota de agua1949

Name: Una gota de agua
Genre: Documentary
Released: 1949
Duration: 10 min

A drop of water is taken to a laboratory in San Juan, Puerto Rico to determine its purity. The film communicates scientific health information, such as the need to boil drinking water.

Released: 13. 4. 1949
Runtime: 10 min
Genres: Documentary
Certification: NO
Country, language: PR · ES

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