Una gota de agua (1949)
Watch Una gota de agua Full Movie Free Online On Streamings GoMovies. 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
- Genre : Documentary
- Studio : Comisión de Parques y Recreos Públicos de Puerto Rico
- Director : Jack Delano
- Cast : Amílcar Tirado