http://book.klll.cc/ebooks/subject/26192.opds?sort_order=title 2025-08-05T09:06:23Z Books about Perpetual motion (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-05T09:06:23Z https://book.klll.cc/ebooks/subject/26192.opds?sort_order=release_date Sort by Release Date 2025-08-05T09:06:23Z https://book.klll.cc/ebooks/subject/26192.opds?sort_order=downloads Sort by Popularity 2025-08-05T09:06:23Z https://book.klll.cc/ebooks/52161.opds Bangerter's Inventions; His Marvelous Time Clock 2025-08-05T09:06:23Z https://book.klll.cc/ebooks/23100.opds Budget of Paradoxes, Volume I Augustus De Morgan 2025-08-05T09:06:23Z https://book.klll.cc/ebooks/26408.opds Budget of Paradoxes, Volume II Augustus De Morgan 2025-08-05T09:06:23Z https://book.klll.cc/ebooks/44771.opds Perpetual Motion Henry Dircks and Percy Verance