Joseph Henry Electromagnet

ID: MAH-13346 or 13,346


Form/Genre: Object

Date: c. 1978

Citation: Smithsonian Institution Archives, Accesssion 11-006

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Electromagnet made by first Smithsonian Secretary Joseph Henry (1797-1878). During his years at Albany Academy and the College of New Jersey (now Princeton University), Henry designed the most powerful electromagnets of his day. Henry constructed this powerful electromagnet for Benjamin Silliman of Yale University to exhibit before his students. It is now in the National Museum of American History.


  • Silliman, Benjamin 1816-1885
  • Henry, Joseph 1797-1878
  • Yale University
  • National Museum of American History (U.S.) (NMAH)
  • Albany Academy
  • College of New Jersey (Princeton, N.J.)


Historic Images of the Smithsonian


See 78-6063 for a similar image.

Contained within

Smithsonian Institution Archives, Accesssion 11-006

Contact information

Institutional History Division, Smithsonian Archives, 600 Maryland Avenue, SW, Washington, D.C. 20024-2520,


c. 1978

Restrictions & Rights

No restrictions


  • Electric apparatus and appliances
  • Inventors
  • Scientific apparatus and instruments
  • Secretaries
  • Inventions
  • Science
  • Historical models
  • Electromagnets
  • History
  • Magnets
  • Electromagnetism
  • Electromagnet
  • Science--History


United States


  • Object
  • Negative

ID Number

MAH-13346 or 13,346

Physical description

Number of Images: 1 Color: Black and White ; Size: 8w x 10h ; Type of Image: Object ; Medium: Negative

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