102F WE Tennis Ball display tube - does not work
102F Western Electric ST-14 NOS 1956 slightly tilted glass (0.8ma Gm=600)
231D Western Electric NOS 1953 (1.6ma)
257A Western Electric engraved base NOS 1930's (6 in stock) (257A is a 231D with a top cap grid connection)
257A Western Electric printed base NOS 1954
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)
281A Western Electric like new 1930's (38ma)
282A WE Balloon engraved base, like new, good 1.5" getter circa 1935 (sold out)
283A WE meshplate used/50% output 1947
284D Amperex brass base low emission display tube 1940 era
287A Western Electric 1965 (sold out)
291A Western Electric NOS 1972 (42/25)
291A Western Electric NOS 1972 (45/25)
291A Western Electric NOS around 1940 (1 pair)
297A Western Electric NOS (0 in stock)
307A=VT-225 Ken Rad NOS/75% coated glass 1940's (34ma)
310B Western Electric NOS (sold out)
313C Western Electric NOS (14 in stock)
