| Author: | Francis, William, 1817-1904 |
| Subject: | T, Inventions -- History |
| Format: | Translation of: Beyträge zur Geschichte der Erfindungen, Text |
| Date issued: | 2015 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | A History of Inventions, Discoveries, and Origins, Volume 1 (of 2) [electronic resource] / William Francis |