50B5 GE branded Westinghouse NOS 1960's (75/45)
50B5 RCA branded Raytheon NOS 1950's (64/45)
50B5 RCA NOS 1958 (64/45)
50B5 RCA NOS 1962 (82/60)
50B5 RCA tilted glass NOS (66/45)
50B5 RCA tilted glass NOS (68/45)
50B5 RCA used/good 1950's (63/45)
50B5 RCA used/good 1950's (64/45)
50B5 Tungsol NOS 1956 (76/45)
50B5 used/good (1 in stock)
