http://book.klll.cc/ebooks/author/44567.opds?sort_order=release_date 2025-11-18T15:35:24Z Books by Manly, Charles M. (Charles Matthews) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T15:35:24Z https://en.wikipedia.org/wiki/Charles_M._Manly See also: en.wikipedia 2025-11-18T15:35:24Z https://book.klll.cc/ebooks/47981.opds Langley Memoir on Mechanical Flight, Parts I and II S. P. Langley and Charles M. Manly