The sun not what it appears to be : a new cosmology, 1896.
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Langley, S. P. (Samuel Pierpont), 1834-1906
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Samuel Pierpont Langley (1834-1906) was the third Secretary of the Smithsonian Institution. He also served as the director of the Allegheny Observatory and a professory of astronomy at the Western University of Pennsylvania (now known as the University of Pittsburgh). While at the Smithsonian he founded the Smithsonian Astrophysical Observatory....
Rogers, Henry Raymond, 1822-1901
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Smithsonian Institution. Hodgkins fund.
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