Author:Samuel Pierpont Langley

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Samuel Pierpont Langley (1834–1906)

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Samuel Pierpont Langley

Works

Articles in Popular Science Monthly

• 1. “The Photosphere and Sun-Spots,” in Popular Science Monthly Volume 5, September 1874
• 2. “The Transit of Venus,” in Popular Science Monthly Volume 6, December 1874
• 3. “The First Popular Scientific Treatise,” in Popular Science Monthly Volume 10, April 1877
• 4. “The Recent Progress of Solar Physics,” in Popular Science Monthly Volume 16, November 1879
• 5. “Sunlight and the Earth's Atmosphere,” in Popular Science Monthly Volume 27, September 1885
• 6. “The History of a Doctrine I,” in Popular Science Monthly Volume 34, December 1888
• 7. “The History of a Doctrine II,” in Popular Science Monthly Volume 34, January 1889

Works about Langley

• “Sketch of Professor S. P. Langley,” in Popular Science Monthly Volume 27, July 1885

Works by this author published before January 1, 1923 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.