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(!) (SINGLE) CK-5755=420A Raytheon clear top NOS 1960's (1.4/1.3ma)
(!) (SINGLE) JAN-CRP-5755=420A Raytheon clear top NOS 1965 (1.3/1.5ma)
(!) 417A/5842 LM Ericsson Sweden used/good "O" getter halo 1960's (19ma and Gm=23,900)
(!) 6J7GT Hytron used/strong 1940's (2.6ma)
(!) JHS-6AK5 Sylvania NOS 1954 (5.5ma)
(1 PAIR) 408A Western Electric used/good 1964 (79/60 and 78/60)
(1 PAIR) 408A Western Electric used/good 1964-1969 (76/60 and 74/60)
(1 PAIR) 408A Western Electric used/tests like new 1965-1966 (91/60 and 97/60)
(1 PAIR) NE-408A Northern Electric Canada NOS 1972-1974 (83/60 and 85/60)
(1 set of 10 tubes) 448A Western Electric "TIPPED TOP" used/good 75-85% with "D" getter 1965-1966
(Best Single) JAN-CW-705A WE NOS original box 1944
(DISPLAY TUBE) 274A Western Electric 1966 open filament - doesn't work (display tube only)
(DISPLAY TUBE) 4242A=242A=CV25 STC England broken filament - display tube only
(READ REVIEW) (!!!) 314A Western Electric Engraved base NOS 1930's slightly tilted glass in base (full-wave rectifier) (58/40 and 66/40)
(READ REVIEW) 403B Western Electric NOS D getter 1956 (7.0ma)
(sold out) 212A Western Electric 1919-1921
(sold out) 301A Western Electric printed base 1965
(sold out) 349A Western Electric
1.3.25 101L Western Electric NOS 1961 (5.3ma Gm=1000)
101D Western Electric Tennis Ball 1920's test like new (7.8ma and 8.4ma) (sold out)