Una gota de agua
MovieTitle | Una gota de agua |
User score | 0 |
Release date | Apr 13, 1949 |
Genre | Documentary |
Director | Jack Delano |
Production country | Puerto Rico |
Production companies | Comisión de Parques y Recreos Públicos de Puerto Rico |
Run time | 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.