Books by Langley, S. P. (Samuel Pierpont) (sorted by popularity)
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See also: en.wikipedia
Displaying results 1–2
Langley Memoir on Mechanical Flight, Parts I and II
S. P. Langley and Charles M. Manly
218 downloads
The New Astronomy
S. P. Langley
205 downloads
Displaying results 1–2
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