Una gota de agua
Genre: DocumentaryRuntime: 0h 10mRelease: 13th April, 1949
Directors: Jack DelanoLanguages: SpanishCountry: Puerto RicoPlot: 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.
Company: Comisión de Parques y Recreos Públicos de Puerto Rico