Excerpt from Joseph Henry's Record of Experiments (July 22, 1842)

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Record of experiments of Joseph Henry, then a professor at Princeton University and later first Secretary of the Smithsonian Institution, July 22, 1842. In the record, Henry describes and analyzes the effects of lightning strikes on a house and tree near Princeton.


Princeton University


Historic Images of the Smithsonian


3 pages scanned from the edited transcript of the original version and notes in the Joseph Henry Papers Volume 5, pages 251-253.

Contained within

Reingold, Nathan, et al, eds., The Papers of Joseph Henry, Volume 5, The Princeton Years: January 1841-December 1843 (Washington: Smithsonian Institution, 1985), 251-253

Contact information

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


July 22, 1842

Restrictions & Rights

No restrictions


  • Trees
  • Houses
  • Secretaries
  • Lightning
  • Science
  • Physicists
  • Experiments
  • Records


United States


  • Document
  • Paper

ID Number

SIA2012-0988 and SIA2012-0989 and SIA2012-0990

Physical description

Number of Images: 3 ; Color: Black and White ; Size: 7w x 10h ; Type of Image: Document ; Medium: Paper

Full Record

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