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82 RCA NOS 1948
82 Tungsol NOS 1948 (54/40 and 60/40)
83 GE low hours/like new 1947 (read review)
836 Raytheon NOS 1940's in white box (53/40)
84=6Z4 GE NOS 1950 (51/40 and 52/40)
84=6Z4 Philco used/fair 1940's (42/40 and 43/40)
84=6Z4 Raytheon used/good 1940's (52/40 and 54/40)
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 Sylvania branded RCA used/good 1940's (49/40 and 49/40)
84=6Z4 Sylvania used/good 1940's (49/40 and 51/40)
866A GE low hours/like new 1940's
866AX Amperex France brown base 1965 tests like new, a few scratches on base, reboxed
866AX Amperex Holland black base NOS 1960's (54/40)
866Jr Taylor Balloon 1930's (display tube, does not function)
AZ1 Philips by Mullard NOS 1960's (0 in stock)
AZ11 Ultron Germany NOS 1960's - 1970's (1 in stock)
AZ12 Ultron Germany NOS 1950's rattle inside base from dried glue particles (1 tube)
AZ21 Tungsram NOS loktal base black plates 1940's (8 in stock)
AZ31 NOS (8 in stock)
