The Bull-Headed Gyroscope
| First published | October 1950 |
|---|---|
| Type | Essay |
| Series | Facts of the Future |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1950 |
|
Amazing Stories, October 1950 | Ziff-Davis Publishing Company | MAGAZINE | 156 |
| 1951 |
|
Amazing Stories Quarterly (Reissue), Spring 1951 | Ziff-Davis | MAGAZINE | 156 |48 |