Una gota de agua 1949 Directed by Jack Delano
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.
Country
Puerto Rico
Production Country
Puerto Rico
Gnere
Documentary
Production Company
Comisión de Parques y Recreos Públicos de Puerto Rico
Release Date 13 April 1949
10 mins
