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31 Philco by Sylvania engraved base NOS 1930's (11.5ma Gm=1000)
311CH Cetron NOS in original box 1979 (100ma) (311CH is sub for 211H)
313C Western Electric NOS (14 in stock)
313CA Western Electric NOS (6 in stock)
313CC Western Electric NOS (16 in stock)
316A Western Electric (sold out)
31LQ6 US Brands NOS (3 in stock)
32 GE NOS 1952
32 Ken Rad NOS 1950 era (24/16)
32 National Union NOS
32 Sylvania engraved base NOS 1930's
32 US Brands used/good (3 in stock)
323B Western Electric NOS (sold out)
32HQ7 US Brands NOS (5 in stock)
32L7GT US Brands NOS (9 in stock)
33 GE NOS 1950
33 Sylvania balloon used/strong very good condition 1930 era (52/36)
33 Sylvania engraved base NOS 1940 era
33 Sylvania NOS small part of getter material flaked off glass (58/36) strong output
33 United USA NOS 1940's (53/36)
