| Author: | Cajori, Florian, 1859-1930 |
| Subject: | QA, Slide-rule |
| Format: | Electronic text |
| Date issued: | 2013 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | On the History of Gunter's Scale and the Slide Rule During the Seventeenth Century [electronic resource] / Florian Cajori |