Mullard Magic: For All Your Vintage Valve and Radio Needs!
5Y3GT, BRIMAR, WHITE BOX, 5Y3GT/G, CV1856, U50, VT-197A,
5Y3GT, SYLVANIA NIB, 5Y3GT/G, CV1856, U50, VT-197A,
5Y3GT, VARIOUS, WHITE BOX, 5Y3GT/G, CV1856, U50, VT-197A,
5Y3WGT, HYTRON, BROWN BASE, 4 RIB PLATE,, 5Y3GT/G, CV1856, U50, VT-197A,
5Y3WGT, SYLVANIA 5Y3GT/G, CV1856, U50, VT-197A,
5Y4GT MARCONI, NIB, 5Y3GT/G, CV1856, U50, VT-197A,
CV1258, MILITARY SPEC U50, MARCONI OSRAM, MOV, IN RST BOX, NOS, AIR MINISTRY SURPLUS, DOVER JANUARY 1953 PRODUCTION
U50, MARCONI OSRAM, BLACK BASE, HAMMERSMITH 1949 PRODUCTION,
U50, MARCONI, BROWN BASE, JG, HAMMERSMITH JULY 1953 PRODUCTION,
U50, MARCONI, DOVER, DECEMBER 1952 MANUFACTURE, SCARCE
U50, MARCONI, HAMMERSMITH, TESTED
U50, OSRAM, BLACK BASE, HAMMERSMITH 1950 PRODUCTION,