Mullard Magic: For All Your Vintage Valve and Radio Needs!
6J5G RAYTHEON, AIR MINISTRY, ORANGE BASE PRINT, 110E/68, CV1067, CV1932
6J5G, BRIMAR, ORANGE BASE PRINT, MARCH 1947 PRODUCTION
6J5G, FERRANTI, 1950S PRODUCTION
6J5GT, BRIMAR, METAL BAND BASE, CLEAR GLASS, RED BASE PRINT, JUNE 1953, BRIMSDOWN MANUFACTURE
6J5GT, BRIMAR, METAL BAND BASE, CLEAR GLASS, WHITE PRINT, AUGUST 1956, BRIMSDOWN MANUFACTURE