| Author: | Routledge, Robert |
| Subject: | T, Inventions -- History -- 19th century |
| Format: | Text |
| Date issued: | 2017 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Discoveries and Inventions of the Nineteenth Century [electronic resource] / Robert Routledge |