257A Western Electric printed base NOS 1960
272A Western Electric "meshplate" used/good 1963 (5.0ma Gm=600)
272A Western Electric NOS "meshplate" (752=1947) slightly tilted plate with data sheet (6.7ma Gm=900)
282A WE Balloon engraved base, like new, good 1.5" getter circa 1935 (sold out)
283A WE meshplate used/50% output 1947
310B Western Electric NOS (sold out)
311B Western Electric used/strong, faded getter 1964 (35.5ma)
316A Western Electric (sold out)
328A Western Electric "small punch" NOS 1953 (5.5ma)
328A Western Electric small punch plate used/good 1953 (4.6ma)
329A Western Electric NOS 1952-1957 (1 Pair: 30ma and 30.5ma)
329A Western Electric NOS 1966 (1 Pair: 34.5ma and 38ma)
329A Western Electric NOS 1972 (1 Pair: 33.6ma and 35.2ma)
329A Western Electric NOS 1972 (1 PAIR: 35ma and 37ma)
329A Western Electric NOS 1976 (1 Pair: 34ma and 37ma)
337A WE "large punch" NOS 1966 slightly tilted glass (single)
401A Western Electric
407A LM Ericsson Sweden like new 1960's (41/26 and 42/26)
407A LM Ericsson Sweden used/good 1960's
407A Sylvania branded RCA gold pins used/good 1971