Transfer of Power
Documentary
193920m
Director: Geoffrey Bell
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.
Runtime
20m
Language
English
Released
Jan 1, 1939
Runtime
20m
Language
English
Released
Jan 1, 1939
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