http://book.klll.cc/ebooks/author/56514.opds?sort_order=downloads 2025-11-17T04:14:49Z Books by Porter, Charles T. (Charles Talbot) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T04:14:49Z https://en.wikipedia.org/wiki/Charles_Talbot_Porter See also: en.wikipedia 2025-11-17T04:14:49Z https://book.klll.cc/ebooks/72043.opds Engineering reminiscences contributed to "Power" and "American machinist" Charles T. Porter