33 Sylvania NOS small part of getter material flaked off glass (58/36) strong output
33 United USA NOS 1940's (52/36)
350A National Union NOS 1940's (101ma Gm=9200) (sold out)
35Z6G National Union NOS (2 in stock)
56 National Union used/good 1940's (5.3ma)
56 National Union used/good 1950 small faded getter (4.1ma)
56 Philco by Sylvania used/good 1940's (5.2ma)
56 Super Airline used/good 1940's (4.1ma)
5U4G Crosley Sylvania used/good 1950 (55/40 and 56/40) stains at top from usage
5U4G RCA used/good 1953 a few oxide flakes inside tube (50/40 and 52/40)
5W4GT Tungsol NOS 1952 (52/40 and 54/40)
5Y3G Super Silvertone used/good 1940's (50/40 and 51/40)
6A8G Sylvania NOS 1951-1952 (44/29)
6AW8A GE branded Westinghouse NOS 1964 (3.8/24ma)
6AW8A GE NOS 1976 (4.9/21ma)
6F6G National Union used/good mid-1940's (47ma)
6K7GT=VT-86B Sylvania used good 1944-1945 (9.6ma Gm=1700)
6P5G RCA NOS 1940's (5.7ma Gm=1400)
6P5G Sylvania NOS 1940's (4.8ma Gm=1300)
6P5GT Sylvania NOS 1947 (5.0ma Gm=1400)
