Letter (Astounding Stories, December 1945): The Highest Frequencies Recorded on Records Run About 15,000 Cycles. Television Requires at Least 4,000,000 Cycles Per Second!
| First published | December 1945 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1945 | Astounding Science Fiction, December 1945 | Street & Smith Publications, Inc. | MAGAZINE | 172 |