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…Script, Sarah Erulkar; editor, Nicholas Gurney; music, Edward Williams; animation director, Henry Stringer.

The homes of ordinary families are visited in order to record the natural reactions of the…

…and directed by Sarah Erulkar, explores the development and evolution of helicopters. It covers early concepts…

…Commentary by Sarah Erulkar.

The story of a young girl’s three years’ training to becomes a States Registered Nurse…

Illustrates cleansing by natural and manufactured soaps. Discusses the theory of detergency and the properties and…

Detergents are agents used with water for washing purposes - soap being a common form. Here is…

Explains how the molecular structure of water determines its unique properties, discussing the solid, liquid and…

Shows how the nature of the water molecule determines the physical properties of water. Demonstrates that…

Points out that life on earth depends upon some of the water's unusual properties- its…

Several British artists show the processes involved in designing and printing stamps. Design problems and technical…

The growth of vertical flight from the early experiments of Leonardo da Vinci and others to…

A group of young children are approached by an older friend Jim, who offers them a…