| Author: | Vail, Alfred, 1807-1859 |
| Subject: | TK, Telegraph -- History |
| Format: | Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The American Electro Magnetic Telegraph : With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism [electronic resource] / Alfred Vail |