Letter (Astounding, February 1944): The Invention of the Chronometer, the Long Rifle, the Cartridge, the Sextant, and a Lot of Important Technical Devices Can Be Traced to the Demands of an Expanding Land Frontier. The Asterites Will Demand Inventions, Too.
| First published | February 1944 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| February 1944 | Astounding Science Fiction, February 1944 | Street & Smith Publications, Inc. | MAGAZINE | 95|95.1 |