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3Q5GT Ken Rad NOS 1940's (1 in stock)
3Q5GT Philco used/tests like new 1940's (96/60)
3Q5GT Tungsol NOS (101/60)
3Q5GT=VT-221 Ken Rad used/tests like new 1940's (106/60)
3Q5GT=VT-221 Tungsol used/tests like new 1940's (105/60)
3V4 GE Motorola used/strong 1960 era (92/60)
4-125A=4D21 Eimac used sold as-is good filament
4-125A=GL-4D21 GE NOS original box 1960's sold as-is
4-250A=5D22 RCA 1962 used original box sold as-is (good filament)
4-400A=8438 Eimac
4-65A=8165
40 NOS
401A Western Electric
40KG6A=PL519 JAPAN branded RCA tall bottle clear top NOS (1 in stock)
413A Western Electric NOS (sold out)
413B Western Electric NOS 1963
413B Western Electric NOS 1967 cracks in paint
42 National Union like new 1950 era (29.5ma) (Gm like new)
42 Philco used/good 1940's (30.8ma)
423B Western Electric NOS 1959 (3 in stock)
