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5T4 RCA like new 1943 (55/40 and 60/40)
5U4GB RCA BALDWIN used/good 1962 glass slightly tilted in base (53/40 and 53/40)
5U4GB Sylvania Canada NOS 1960's (61/40 and 64/40) (similar build to RCA)
5U4GB Westinghouse low hours/like new "D" getter, large getter, some vertical scratches on base 1963 (54/40 and 56/40)
5V3 GE branded ITT NOS 1960's (52/40 and 54/40)
5V3 GE used/tests like new 1959 (58/40 and 60/40)
5V3 Raytheon branded RAD-TEL NOS 1961 (53/40 and 54/40)
5V3A RCA NOS 1962 (47/40 and 48/40)
5W4=VT-97 Ken Rad metal can like new 1940's (52/40 and 52/40)
5W4GT Tungsol NOS 1952 (52/40 and 54/40)
5Y3GT Sylvania used/good 1955 (46/40 and 51/40)
5Y4G National Union NOS 1950 era (51/40 and 58/40)
5Y4G Philco by Sylvania NOS 1943 (54/40 and 57/40)
5Y4G RCA used/good 1948 (48/40 and 53/40)
5Y4G Sylvania NOS 1940's (56/40 and 60/40)
5Y4GA RCA NOS 1963 (54/40 and 57/40)
5Y4GA RCA NOS 1971 (54/40 and 60/40)
5Y4GA Sylvania branded Zenith NOS 1960's (54/40 and 57/40)
5Y4GA Sylvania NOS 1960's (53/40 and 58/40)
6202 GE branded National NOS 1960's (51/40 and 51/40)
