http://book.klll.cc/ebooks/subject/24885.opds?sort_order=title 2025-08-16T21:14:39Z Books about Slide-rule (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-16T21:14:39Z https://book.klll.cc/ebooks/subject/24885.opds?sort_order=release_date Sort by Release Date 2025-08-16T21:14:39Z https://book.klll.cc/ebooks/subject/24885.opds?sort_order=downloads Sort by Popularity 2025-08-16T21:14:39Z https://book.klll.cc/ebooks/42216.opds On the History of Gunter's Scale and the Slide Rule During the Seventeenth Century Florian Cajori 2025-08-16T21:14:39Z https://book.klll.cc/ebooks/75904.opds slide rule : a practical manual Charles N. Pickworth