6X4 GE Beckman like new "D" getter 1962 (54/40 and 52/40)
6X4 GE Hewlett Packard NOS "D" getter halo 1962 (55/40 and 56/40)
6X4 GE like new 1950's "D" getter (54/40 and 54/40)
6X4 National Union "D" getter halo tests like new 1955 (56/40 and 58/40)
6X4 RCA "O" getter low hours/like new 1960's (49/40 and 52/40)
6X4W GE 1960 "D" getter branded 6X4 Amperex Globe 1971 used/good (50/40 and 50/40)
6X4W GE used/tests like new 1960 era "D" getter (52/40 and 52/40)
6X4WA GE black plates rebranded National NOS (55/40 and 56/40)
6X4WA GE used/tests like new 1960 era no printing (54/40 and 54/40)
6X5GT GE used/good 1951 (49/40 and 50/40)
6X5GT GE used/good 1958 (48/40 and 50/40)
6X5GT GE used/good 1960 (47/40 and 48/40)
6X5GT GE used/good 1963 (48/40 and 49/40)
6X5GT Ken Rad 1940's used/good (51/40 and 53/40) (RCA construction)
6X5GT Philco by Sylvania used/good 1940's tilted top mica (54/40 and 60/40)
6X5GT RCA branded Raytheon NOS 1950's (51/40 and 52/40)
6X5GT RCA NOS 1955 (50/40 and 60/40)
6X5GT Sylvania chrome top NOS 1958 (51/40 and 52/40)
6X5GT Sylvania chrome top used/good 1956 (47/40 and 50/40)
6X5GT Tungsol no printing used/good 1940's (55/40 and 68/40)
