http://book.klll.cc/ebooks/author/44567.opds 2025-08-10T23:41:28Z Books by Manly, Charles M. (Charles Matthews) (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-10T23:41:28Z https://en.wikipedia.org/wiki/Charles_M._Manly See also: en.wikipedia 2025-08-10T23:41:28Z https://book.klll.cc/ebooks/47981.opds Langley Memoir on Mechanical Flight, Parts I and II S. P. Langley and Charles M. Manly