| Author: | Bacon, Gertrude, 1874-1949 |
| Subject: | TL, Balloons, Aeronautics, Airships |
| Format: | Electronic text |
| Date issued: | 2017 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Balloons, Airships, and Flying Machines [electronic resource] / Gertrude Bacon |