Mullard Magic: For All Your Vintage Valve and Radio Needs!
5Y4G, HYTRON, WHITE BOX
CV1258, MILITARY SPEC U50, MARCONI OSRAM, MOV, IN RST BOX, NOS, AIR MINISTRY SURPLUS, DOVER JANUARY 1953 PRODUCTION
U50, MARCONI, DOVER, DECEMBER 1952 MANUFACTURE, SCARCE
U50, MARCONI, BROWN BASE, JG, HAMMERSMITH JULY 1953 PRODUCTION,
U50, OSRAM, BLACK BASE, HAMMERSMITH 1950 PRODUCTION,
U50, MARCONI OSRAM, BLACK BASE, HAMMERSMITH 1949 PRODUCTION,