41 Triad engraved base used/strong 1930's (70/40)
41 US Brands used/good (4 for $19.99)
41 US Brands used/good (40 in stock)
42 National Union used/tests like new 1930's (35ma)
42 Philco balloon engraved base used/good 1930 era (31ma)
42 Raytheon engraved base used/tests like new 1930's (33ma)
42 Tungsol used/good 1940's (30ma)
46 RCA NOS 1940's (60.4ma Gm=3210)
46 Sylvania NOS 1940's (52ma Gm=2950)
46=VT-63 Ken Rad used/tests like new 1940's (57.2ma Gm=2660)
485 National Union used/good 1940's (6.2ma)
485 Sylvania engraved base used/good 1934 (8.3ma)
56 National Union engraved base used/tests like new 1930's (6.0ma)
56 RCA Balloon engraved base black plate tests like new 1930's (4.7ma)
6C6 Cunningham Radiotron used/good 1930's (42/31)
6C6 Raytheon used/tests like new 1930's hairline crack in base (2.1ma)
6D6 US Brands used/good (2 for $8)
6D8G Sylvania 1947 branded GE 1949 used/tests like new (100/60)
6D8G US Brands NOS (3 in stock)
6F6G National Union used/good mid-1940's (47ma)
