Log in using the new customer accounts page.
291A Western Electric NOS around 1940 (1 pair)
338A WE "engraved base" early 1940's like new
338A Western Electric NOS (7 in stock)
41 Triad engraved base used/strong 1930's (70/40)
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 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=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)
