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(!) 6AN8A Tungsol rebranded Dumont NOS 1960's (14.5/14.8ma)
(!) 6F6G Sylvania coated glass used/good 1940's (36.8ma)
(!) 80 Hygrade Sylvania experimental tube used/strong 1940 era (54/40 and 52/40)
(!) 80 National Union NOS 1950 era (54/40 and 58/40)
(!) 80 Tungsol ST-shape tests like new 1940's (54/40 and 56/40)
(!) 80 Tungsol ST-shape tests like new 1940's (57/40 and 60/40)
(!) 80 Tungsol ST-shape used/good 1946 (52/40 and 54/40)
(!) 8BQ5 Tungsol NOS 1960 era (40ma)
(!) EZ90=6X4 GE made for T.I.C Philips Export Corporation NOS 1963 (55/40 and 57/40)
(!) JAN-6384 Tungsol NOS 1972 (72ma)
(!) JAN-CEA-5R4WGB Bendix NOS 1962 original box (51/40 and 54/40)
(!) JTL-12AU7 Tungsol narrow plates "D" getter NOS 1955 bottom mica is tilted (10.4/10.6ma)
(!) NY-247=47 National Union Balloon used/good 1930's (22.6ma) (and strong Gm)
(!) RY-247=47 Federal Supreme Balloon used/good 1930's (24.2ma)
(!) VT-80 Sylvania used/strong 1940's (58/40 and 60/40)
(1 Pair) 31 RCA/Cunningham NOS 1930's - 1940's (12.0ma and 13.2ma) (Same Gm)
(BEST SINGLE) 6SF5GT Tungsol NOS 1940's (1.1ma Gm=1500)
(DISPLAY TUBE) TS-281 Tungsol Balloon NOS engraved base 1930's (for display purposes only)
(PAIR) 12B4A Sylvania NOS 1960's - 1970's (33ma and 36.5ma)
(read review) 12AY7 GE branded RCA gray plates "D" getter NOS 1954 (2.3/2.9ma)
