: Detailed technical guides for complex tube radio circuitry.
: As a .zip archive, it generally contains scanned PDFs or high-resolution images of the original printed newsletters. How to Use the Archive CHRS_-_The_Beast_Club_1-2.zip
: The "CHRS" prefix identifies the California Historical Radio Society , a non-profit dedicated to the preservation of early radio and broadcasting history. : Detailed technical guides for complex tube radio circuitry