Detectors, Amplifiers, Headphones, and More: The Broad Reach of Crystal Radio: Volumes 14 and 15 of the Xtal Set Society Newsletter
| Country | USA |
| Brand | Acme Industrial |
| Manufacturer | Acme-Industrial |
| ItemPartNumber | 217-077326 |
| UnitCount | 1 |
| ReleaseDate | 0000-00-00 |