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(!!) (Good Value Single) 5687 Tungsol Hewlett Packard bronze plates "O" getter like new 1960 (32.5/33.7ma)
(!!) (Good Value Single) JRP-5687WA Raytheon bronze plates used/good early 1960's (33/31.6ma)
(!!) (Good Value) 12AT7=ECC81 Siemens Halske Germany used/strong 1964 (8.2ma/12.2ma)
(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
(!!) (Pair #4) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass and plate (5.4ma and 5.4ma)
(!!) (PAIR) 12AL5 RCA NOS 1973 (46-47/40 and 46-47/40)
(!!) (PAIR) 12JN6 GE NOS 1970 era (62ma and 60ma)
(!!) (Pair) 37 Sylvania 1940 era used/good no printing (6.6ma and 6.5ma) (Same Gm) 1-2% matched
(!!) (PAIR) 5750=6BE6W Sylvania JAN NOS 1970's (1.5/1.5ma)
(!!) (PAIR) 6AV6 Sylvania and Sylvania branded Executone NOS 1960's (1.0ma and 1.0ma)
(!!) (Pair) 6AX4GTB Sylvania NOS and like new 1960's (56/40 and 53/40)
(!!) (PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (48.5ma and 48.6ma)
(!!) (PAIR) 6BQ6GTB=6CU6 Sylvania NOS 1960's (51ma and 52.5ma)
(!!) (PAIR) 6CB6A RCA NOS (8.2ma and 8.5ma)
(!!) (PAIR) 6CB6A RCA Tektronix Checked NOS (8.0ma and 8.3ma)
(!!) (PAIR) 6CL6 RCA NOS 1966-1967 (25.0ma and 26.6ma)
(!!) (PAIR) 6CL6 RCA NOS 1970's (28.5ma and 29ma)
(!!) (PAIR) 6CW4 GE NOS 1980-1981 (88/60 and 91/60)
(!!) (Pair) 6GK6 Canada probably by Philips Canada, Holland style construction 1960's used/good (45ma and 46.5ma)
(!!) (Pair) 6GK6 Canada probably by Philips Canada, Holland style construction 1960's used/good (50ma and 52ma)
