| Author: | Ferris, Richard |
| Subject: | TL, Aeronautics |
| Format: | Electronic text |
| Date issued: | 2017 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | How It Flies; or, The Conquest of the Air : The Story of Man's Endeavors to Fly and of the Inventions by Which He Has Succeeded [electronic resource] / Richard Ferris |