Joseph Henry, American physicist, mid 19th century.

 
Joseph Henry, American physicist, mid 19th century.
4 0 c m
 
35cm
actual image size: 27cm x 32cm

Description

Joseph Henry (1797-1878) was profesor of natural philosophy at Princeton University. Independently of Michael Faraday, Henry discovered electrical induction and the 'henry' unit of inductance is accordingly named after him. Henry also constructed the first electromagnetic motor in 1829 and developed a new system of weather forecasting.

© Science Museum / Science & Society Picture Library

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