http://book.klll.cc/ebooks/subject/20896.opds 2025-08-30T18:58:22Z Books about Lubrication and lubricants (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 2025-08-30T18:58:22Z https://book.klll.cc/ebooks/35001.opds Friction, Lubrication and the Lubricants in Horology W. T. Lewis