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 like new 1950 era (29.5ma) (Gm like new)
42 Philco engraved base used/very good 1930's (32.5ma)
42 Philco used/good 1940's (30.8ma)
42 Raytheon NOS 1950 in white box (35ma)
42 RCA used/good 1940's (27.2ma)
42 Sylvania engraved used good 1940's (30ma)
42 Tungsol used/good 1940's (27ma)
42 Tungsol used/good 1940's (30ma)
42 Tungsol used/good 1940's faded printing (33ma)
46 RCA NOS 1940's (60.4ma Gm=3210)
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)
