Langley Memoir on Mechanical Flight, by Langley and Manly 47981 [Title: Langley Memoir on Mechanical Flight, Parts I and II ] [Subtitle: Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911 ] [Author: S. P. (Samuel Pierpont) Langley and Charles M. (Charles Matthews) Manly ] [Language: English ] [Link: http://www.gutenberg.org/dirs/4/7/9/8/47981 ] [Files: 47981-0.txt; 47981-h.htm; ] [Clearance: 20131117170227langley ] E-text prepared by Charlene Taylor, RichardW, and the Online Distributed Proofreading Team (http://www.pgdp.net) from page images generously made available by Internet Archive/American Libraries (https://archive.org/details/americana) Thanks, Joe