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(!) 47 Raytheon engraved base box plate used/good 1930's (25.2ma Gm=1940)
(!) 47 RCA Radiotron Balloon used/good 1930's (23.4ma)
(!) 47 RCA Radiotron engraved base used/good 1930's (27.5ma Gm=2250)
(!) 47 Tungsol Aristocrat low hours/tests like new 1940's (38ma Gm=2770) (highest mA and Gm)
(!) 5998 Tungsol branded IBM black plates used/good 1961 in white box (62ma/68ma)
(!) 5C22 ITT Electron Tube Division low hours/good condition 1967 some scratches on the base
(!) 6BQ5 GE used/good 1960's (35.5ma)
(!) 6DL5=EL95 Philips Miniwatt Holland NOS 1960 (23.2ma)
(!) 6DQ6B RCA NOS 1970's (75ma)
(!) 6F6G Sylvania coated glass used/good 1940's (36.8ma)
(!) 6F6G Sylvania Philco NOS 1949 (36.5ma)
(!) 6F6GT GE Coronado NOS 1956 (36.8ma)
(!) 6JS6C GE branded RCA NOS 1970's (55ma)
(!) 6L6Y RCA metal can (Y=brown bottom) NOS 1955 (78.8ma)
(!) 6L6Y RCA metal can (Y=brown bottom) NOS 1964 (72ma)
(!) 6L6Y RCA metal can (Y=brown bottom) NOS 1966 (77ma)
(!) 6V6 Tungsol metal can used/good 1955 (33.5ma)
(!) 6V6GT Sylvania used/good 1946 (38ma)
(!) 6V6GTY GE Canada brown base black plate NOS 1970 (42.5ma) (similar to RCA black plate)
(!) 6V6GTY GE Canada brown base black plate tests like new 1961 (41ma) (similar to RCA 6V6GTA black plate)
