Joseph Henry's Letter to Moses MacDonald (March 24, 1855)

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Letter from Joseph Henry, first Secretary of the Smithsonian Institution, to Moses Macdonald, a lawyer and politician from Maine, March 24, 1855. In the letter, Henry responds to Macdonald's inquires into matters of scientific discover, protocol, and classification.


Historic Images of the Smithsonian


8 pages scanned from the edited transcript of the original version and notes in the Joseph Henry Papers Volume 9, pages 229-231 (Document 126).

Contained within

Rothenberg, Marc, et al, eds., The Papers of Joseph Henry, Volume 9, The Smithsonian Years: January 1854-December 1857 (Smithsonian Institution in association with Science History Publications/USA, 2002), 229-231

Contact information

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


March 24, 1855

Restrictions & Rights

No restrictions


  • Politicians
  • Letters
  • Secretaries
  • Science
  • Lawyers
  • Discoveries in science




  • Document
  • Paper

ID Number

SIA2012-3423 and SIA2012-3424 and SIA2012-3425

Physical description

Number of Images: 3 ; Color: Black and White ; Size: 6 3/4w x 10h ; Type of Image: Document ; Medium: Paper

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