KYORITSU K126A AND HONOR TE-18 AND RESCO GDM-8 0,36-220MHZ GDO GRID-DIP- METER WITH-6AF4A 1960 SCH Service Manual download, schematics, eeprom, repair info for electronics experts
LAFAYETTE TE-18 GRID DIP METER | eBay
Grid-Dipmeter K-126 Equipment Kyoritsu Electrical Instrument Works | Radiomuseum