837 used/test good
8370 Electronic Enterprises Hydrogen Thyratron NOS 1968 sold as-is (24 in stock)
8370 ITT USA Electron Hydrogen Thyratron NOS 1966-1967 sold as-is (2 in stock)
841 RCA Deforest balloon NOS original box
8417 GE used/tests like new 1970's (97ma)
8417 Sylvania branded GE used/good 1970's (87ma)
8417 Sylvania branded GE used/good 1970's (92.6ma)
8422=5991 National Nixie tube NOS 1993 (14 pins) (sold out)
8423=B-6091 Burroughs Nixie Tube (0 in stock)
843 RCA NOS 1944
84=6Z4 Belmont engraved base used/good 1930's (50/40 and 50/40)
84=6Z4 Greylock USA by National Union like new condition 1940's (49/40 and 54/40)
84=6Z4 Philco engraved base used/very good 1940 era (49/40 and 52/40)
84=6Z4 Philco used 1950's (44/40 and 46/40)
84=6Z4 Philco used/fair 1940's (42/40 and 43/40)
84=6Z4 RCA NOS GT-shape glass slightly tilted glass 1967 (44/40 and 47/40)
84=6Z4 RCA NOS GT-shape glass tilted glass 1967 (47/40 and 48/40)
84=6Z4 Wizard by Sylvania used/good 1940's (50/40 and 52/40)
85 no printing used/strong 1940's (50/25)
85 RCA Cunningham engraved base used/tests like new
