Informative item about water where is comes from and how it is made drinkable.
Part of WATER, WATER, EVERYWHERE issue.
Filmed in various locations.
Various shots of water: a tap running, a horse drinking from a trough, a fountain, ducks on a pond, a woman diving, barges on Thames and a lifeboat at sea. Underwater shot of a swimmer swimming up to the camera.
Various diagrams showing watery facts and figures. Diagrams also shows how rain water comes from the sea. M/S of swan swimming on a stream. L/S of Tower Bridge and River Thames, London.
Various shots of female scientist doing experiments to test purity of tap and river water using microscope. C/U of diagram in a book of microbes. Extreme C/U of microbes as seen through a microscope. C/U of girl drinking glass of water.
L/S of manmade river by country house. Various shots of man operating large mechanical pumps at a waterworks. Various shots of the Queen Mary reservoir. Various diagrams showing reservoir water purification process. Various shots of Kempton Park waterworks,
More shots of scientist using microscopes. More shots of running taps, horse drinking and fountain, plus shots of firemen fighting fire with water hoses. Various shots of old man drinking from a tankard.
Diagrams probably by Joe Noble.