Watch Una gota de agua (1949)

Name: Watch Una gota de agua Online Free
Uploaded: 1949-04-13
Description: 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.

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Una gota de agua

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.

★ 0.0 10 min 1949-04-13

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