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(!!!!) (Best Pair #2) 6L6G MULLARD UK NOS 1959 (69.0ma and 66.5ma) (close Gm)
(!!!!) (BEST PAIR #2) EL37 Mullard UK branded Amperex gray plates used/good 1968 (73.5ma and 72ma)
(!!!!) (Best Pair 1940's) 6L6GA Sylvania and Philco Sylvania coated glass NOS 1944 (67ma and 67.2ma)
(!!!!) (Recommended Pair) 6L6G GE black plate coated glass NOS and like new 1954-1955 (81.5ma and 80.5ma)
(!!!!) (Single) 6L6G Ken Rad branded GE black plate coated glass NOS 1949 (65ma)
(!!!!) (Single) 6L6G MULLARD UK NOS 1955 (65.6ma)
(!!!!) (Single) 6L6G MULLARD UK NOS 1955 a few very scrapes on base (64.6ma)
(!!!!) (Single) 6L6G RCA branded Philco black plate NOS 1940's (61ma)
(!!!!) (Single) 6L6G Sylvania black plate coated glass NOS 1940's (71ma)
(!!!!) (Single) 6L6G Sylvania black plate coated glass NOS 1951 (64ma)
(!!!!) (Single) 6L6G Sylvania black plate coated glass NOS 1951 (78.8ma)
(!!!) (Best Pair #2) 6L6GA Philco Sylvania and Sylvania coated glass NOS 1944 (76ma and 78.5ma) (Highest mA and Gm)
(!!!) (Best Single) 6L6G Raytheon NOS 1940's (68ma)
(!!!) (Single) 6L6G Zenith by Sylvania engraved abse 1930's used/tests like new (71ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (73ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)
(!) (Single) 6L6G Sylvania branded Raytheon coated glass used/good 1940's (57ma)
(!) (Single) 6L6G Sylvania branded RCA coated glass used/good 1947 (56ma)
(DISPLAY TUBE) 350B Western Electric used 1967 (display tube - defective)
