Webster Signature Database - Suggest Correction

Signature Maker Instruments Comments Location References
HENRY, JOSEPH USA, 1797-1878, PHIM Electromagnet = USNM. this instrument was reportedly made by Henry for Parker Cleaveland; Henry invented an electro-dynamic engine in 1830; he was the first Secretary of the Smithsonian Institution, 1846-78. Washington, D.C. USNM.

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