| Author: | Doolittle, William Henry, 1844- |
| Subject: | T, Inventions |
| Format: | Text |
| Date issued: | 2011 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Inventions in the Century [electronic resource] / William Henry Doolittle |