Books by Langley, S. P. (Samuel Pierpont)
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Displaying results 1–2
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Langley Memoir on Mechanical Flight, Parts I and II
S. P. Langley and Charles M. Manly
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New Astronomy
S. P. Langley
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Displaying results 1–2
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Langley Memoir on Mechanical Flight, Parts I and II
S. P. Langley and Charles M. Manly
New Astronomy
S. P. Langley