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(DISPLAY TUBE - DOES NOT WORK) 838 RCA Radiotron around 1940 (DISPLAY TUBE WITH OPEN FILAMENT)
(DISPLAY TUBE) 350B Western Electric used 1967 (display tube - defective)
(display tube) UV-99 Radiotron brass base 1920's - lights up but does not have emission
(display tube) UV-99 Radiotron brass base 1920's tarnished base - lights up
(display tube) UV-99 Unknown maker - does not work
(PAIR) 0D3A Russian rebranded GE Holland NOS 1980 (1 pair)
(PAIR) 12AX4GTA RCA NOS 1960 era (1 pair)
(PAIR) 25Z5 GE NOS 1961-1962
(PAIR) 2D21 Amperex Russian NOS 1970's (1 pair)
(PAIR) 6AB8=ECL80 Amperex by Siemens Germany low hours/test like new (64-64/35 and 31-33/20)
(PAIR) 6AG7Y GE NOS (26.5/27ma)
(PAIR) 6AG7Y GE NOS 1973 (25/26ma)
(PAIR) 6CJ3=6DW4B Sylvania copper plates used/good 1970 era (82-82/60)
(PAIR) 6DN3=6CM3 Sylvania copper plates NOS 1970 era same build, 1 tube rebranded GE (1 pair) (Leben 600x)
(PAIR) 6HV5A GE branded RCA NOS original boxes (101/60 x 2 tubes)
(PAIR) 85A2=0G3 Mullard UK NOS 1955-1959 (1 pair)
(PAIR) 85A2=0G3 Mullard UK NOS 1960-1961 (1 pair)
(PAIR) 874 RCA test like new 1940's (1 pair)
(PAIR) JAN-CW-3B24 Western Electric engraved base 1930's (60-60/40 x 2 tubes)
(PAIR) JAN-CW-3B24 Western Electric engraved base tests like new 1930's (59-60/40 x 2 tubes)