(display tube) UV-99 Unknown maker - does not work
12SJ7 RCA metal can NOS 1950's (2.8ma)
12SJ7 RCA NOS 1961 (3.0ma)
12SJ7 Tungsol metal can NOS 1949 (3.3ma)
12SJ7 Tungsol metal can NOS 1949 (3.8ma)
17DQ6B used/good (4 in stock)
235=35 Silvertone Balloon used/tests like new 1930's (43/26)
245=45 Silvertone Balloon engraved base 1930 era used/tests like new (42ma Gm=2230)
245=45 Silvertone engraved base 1934 used/tests like new (32ma Gm=2000)
25Z6GT US Brands NOS (15 in stock)
6C6 RCA used/tests like new 1940's (48/31) (2.0ma)
6C6 Sylvania NOS 1950 (48/31)
6C6 Tungsol NOS 1955 (45/31 and 2.1ma)
6C7 Majestic coated glass NOS (2 in stock)
6P5GT Sylvania NOS 1947 (5.0ma Gm=1400)
6P5GT Sylvania NOS 1947 in white box (5.3ma Gm=1400)
6P7G Sylvania NOS (3 in stock)
6Q5G Dumont NOS (3 in stock)
6Q7 GE metal can NOS 1958 (36/20)
6Q7 Tungsol metal can NOS 1950's (35/20)
