CV1932, MILITARY SPEC 6J5G, MATCHED PAIR, TUNGSRAM, AIR MINISTRY, CLEAR GLASS, , 10E/348, 6J5G, CV1067, HAMMERSMITH, WHITE CARTOUCHE, FEBRUARY 1952 PRODUCTION
CV1932, MILITARY SPEC 6J5G, MATCHED PAIR, TUNGSRAM, AIR MINISTRY, CLEAR GLASS, , 10E/348, 6J5G, CV1067, HAMMERSMITH, WHITE CARTOUCHE, FEBRUARY 1952 PRODUCTION
Matched pair, Air Ministry as denoted by the cartouche and the base-envelope shrink fit overwrap.