Langley Memoir on Mechanical Flight, Parts I and II by Langley and Manly

Langley Memoir on Mechanical Flight, Parts I and II

Manly, Charles M. (Charles Matthews) & Langley, S. P. (Samuel Pierpont)

Langley Memoir on Mechanical Flight, Parts I and II

Manly, Charles M. (Charles Matthews) & Langley, S. P. (Samuel Pierpont)