Letter (Astounding, April 1939): Our Point Was That Heat-Guns Are Chemical—Using Flames—and Not Physical, Using Radient Energy. But I'd Like to See That Gun!
| First published | April 1939 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1939 |
|
Astounding Science-Fiction, April 1939 | Street & Smith Publications, Inc. | MAGAZINE | 152|152.2 |