Early electromagnetic engine, mid-19th century.

Early electromagnetic engine, mid-19th century.
3 3 c m
actual image size: 32cm x 25cm


Believed to be the earliest known electromagnetic engine made for, or by, Wheatstone. The English physicist, Sir Charles Wheatstone (1802-1875), first became known as a result of experiments on sound. He went on to become the pioneer of electric telegraphy, working with W F Cooke (1806-1879) to produce the first electric telegraph machine. Wheatstone's Bridge, a device for the comparison of electrical resistances, was brought to notice (though not invented) by him. From the Wheatstone Collection, Kings College, London.

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© Science Museum / Science & Society Picture Library

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