The Project Gutenberg eBook, Langley Memoir on Mechanical Flight, Parts I and II, by S. P. (Samuel Pierpont) Langley and Charles M. (Charles Matthews) Manly
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[◊] Contents
SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE VOLUME 27 NUMBER 3
LANGLEY MEMOIR ON MECHANICAL FLIGHT
PART I. 1887 TO 1896
BY SAMUEL PIERPONT LANGLEY EDITED BY CHARLES M. MANLY
PART II. 1897 TO 1903