http://book.klll.cc/ebooks/subject/26501.opds?sort_order=title 2025-08-15T21:48:51Z Books about Mechanical engineering (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-15T21:48:51Z https://book.klll.cc/ebooks/subject/26501.opds?sort_order=release_date Sort by Release Date 2025-08-15T21:48:51Z https://book.klll.cc/ebooks/subject/26501.opds?sort_order=downloads Sort by Popularity 2025-08-15T21:48:51Z https://book.klll.cc/ebooks/59268.opds Leonardo da Vinci als Ingenieur und Philosoph (German) Hermann Grothe 2025-08-15T21:48:51Z https://book.klll.cc/ebooks/49445.opds Mechanics: The Science of Machinery A. Russell Bond