Cartoon: "Shucks, I'm going right by. Wonder if the professor meant put on the brakes when he said decelerate.
| First published | December 1939 |
|---|---|
| Type | Interior Art |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1939 |
|
Amazing Stories, December 1939 | Ziff-Davis Publishing Company | MAGAZINE | 7 |