S. P. (Samuel Pierpont) Langley

1834 - 1906

2 books

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Books by S. P. (Samuel Pierpont) Langley

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Cover of Langley Memoir on Mechanical Flight, Parts I and II: Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911

Langley Memoir on Mechanical Flight, Parts I and II: Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911

Aeronautics

Cover of The New Astronomy

The New Astronomy

Astronomy