Transfer of Power Trailer (1939)

01 January 1939 Factual 20 mins

Geoffrey Bell’s Shell Film Unit short (produced by Arthur Elton) turns the history and physics of power transmission—from lever and pulley to the toothed gear—into a crisp lesson, blending live action with Francis Rodker’s animated diagrams to show how gearing underpins modern industry. Often cited as a model of clear scientific exposition.

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International Releases Dates

United States 01 January 1939

Production Companies

Shell Film Unit

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