Picture No | 10039002 |
Date | 1797 - 1878 |
Description | JOSEPH HENRY, PHYSICIST |
Details |
JOSEPH HENRY (1797 - 1878), American physicist associated with electro-magnetism - the 'henry' unit of induction is named for him : director of the Smithsonian, Washington.
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Source | Engraving by an unnamed artist |
Credit | Mary Evans Picture Library |
Restrictions |
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