| Author: | Orban, Paul, 1896-1974 |
| Subject: | PS, Business enterprises -- Fiction, Inventions -- Fiction, Short stories, Science fiction |
| Format: | Text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Super Opener [electronic resource] / Paul Orban |