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.
Top Billed Cast
Amílcar Tirado
Narrator
Featured Crew
José R. Ramírez
Music
Jesús Figueroa
Assistant Camera
Jack Delano
Cinematography
Jack Delano
Director
Edwin Rosskam
Screenplay