Mullard Magic: For All Your Vintage Valve and Radio Needs!
6L6, KEN-RAD, TESTED, CV1948, VT-115,
6L6G, BRIMAR, ORANGE BASE PRINT,
6L6WGB, SYLVANIA, GREEN PRINT, BROWN BASE, 5881, MARCH 1971 MANUFACTURE, 6L6
KT66, GEC, BROWN BASE, CLEAR GLASS,, HAMMERSMITH, JUNE 1978 [RODUCTION
NR77, ADMIRALTY 6L6G, WARTIME MANUFACTURE