| Author: | Dircks, Henry, 1806-1873 |
| Subject: | TJ, Perpetual motion |
| Format: | Electronic text |
| Date issued: | 2014 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Perpetual Motion [electronic resource] / Henry Dircks |