Una gota de agua
1949
⏱️ 10 min
📅 Released
🌐 ES
Documentary
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.
Crew
Director
Jack Delano
Writer
Edwin Rosskam
Production
Comisión de Parques y Recreos Públicos de Puerto Rico