http://book.klll.cc/ebooks/subject/26323.opds 2025-08-14T23:16:26Z Books about Metal-work (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 2025-08-14T23:16:26Z https://book.klll.cc/ebooks/45004.opds The Library of Work and Play: Working in Metals Charles Conrad Sleffel