On a casual glance at the contraption shown here in the photo, you would think it one of Rube Goldberg’s latest inventions. But you’re wrong, for it’s a machine to teach perfect swimming strokes, in 1931.
The student rests in a belt cradle as shown, while his feet and hands connect with handles in the mechanical arms. A system of gears and levers to which the guide arms are connected serve to compel movements that conform to correct outlines as set forth by swimming experts.
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