http://book.klll.cc/ebooks/author/9159.opds 2025-08-08T19:32:07Z Books by Stanley, W. (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 2025-08-08T19:32:07Z https://book.klll.cc/ebooks/20214.opds Instruction for Using a Slide Rule W. Stanley