Author

S. P. (Samuel Pierpont) Langley

2 titles available
Cover of Langley Memoir on Mechanical Flight, Parts I and II: Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911 by S. P. (Samuel Pierpont) Langley

Langley Memoir on Mechanical Flight, Parts I and II: Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911
Cover of The New Astronomy by S. P. (Samuel Pierpont) Langley

The New Astronomy

About S. P. (Samuel Pierpont) Langley

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