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6J8G Sylvania branded Cunningham NOS 1947 (52/25 and 28/13)
6K5G Philco used/good 1930's (32/25)
6K8GT Ken Rad NOS 1947 (50/25 and 49/30)
6L5G Philco by Sylvania NOS 1940's (62/38)
6Q7 GE metal can NOS 1957 (40/20)
6Q7 Tungsol metal can NOS 1950's (35/20)
6Q7G Tungsol used strong 1940's (38/20)
6Q7GT Coronado 1940's tests like new (39/20)
6Q7GT Philco used/good 1947 (32/20)
6Q7GT Sylvania NOS 1947 hairline crack in base (30/20)
6Q7GT Zenith by Sylvania NOS 1946 (39/20)
6Q7GT Zenith NOS 1950's (31/20)
6T7G Philco NOS (2 in stock)
6U5 Sylvania 1940's used/good medium brightness
6U5 Sylvania Tuning Eye NOS 1940's (1 in stock)
6U5 Tungsol Tuning Eye NOS 1949 (bright eye)
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)
