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6V7G US Brands NOS 1940's (15 in stock)
71A Raytheon 4-Pillar box-plate used/good 1930's (23ma)
71A Raytheon 4-Pillar box-plate used/strong 1930's (24.8ma)
71A Super Silvertone by Sylvania engraved base NOS 1937 (19ma)
71A Sylvania NOS 1947 (25.3ma)
75 Philco by Sylvania Dual-Diode Triode used/strong 1930's pins cleaned (27/19)
75=VT-75 Ken Rad Dual-Diode Triode used/good 1930's (26/19)
75=VT-75 RCA Dual-Diode Triode NOS 1948 (36/19)
75=VT-75 Sylvania Dual-Diode Triode used/good glass chip inside tube 1930's (26/19)
76 Aristocrat by Sylvania 1940's used/good (3.8ma)
76 Croydon by Sylvania engraved base used 1930's (4.5ma) (Gm is 60%)
76 Delco by RCA 1940's used/good (4.1ma)
7F7 Sylvania round black plates used/good 1960's (1.9/1.7ma)
8020 Amperex 1940's low hours/test like new (4 in stock)
8020 Sperti by RCA 1940's low hours/test like new (1 in stock)
8020 US Brands NOS (6 in stock)
8025 RCA NOS original box
8025 RCA used/like new 1940's
81 ST-16 Sylvania NOS 1940's top mica tilted, 1 small glass chip inside tube (56/40)
81 ST-19 Harvey Burnam by RCA NOS engraved base 1940's (54/40)