3Q5GT=VT-221 Tungsol used/tests like new 1940's (105/60)
41 Ken Rad NOS 1950 (70/40)
41=VT-48 Hytron NOS 1940's (80/40)
41=VT-48 Tungsol NOS 1940's (80/40)
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)
4699=EL6 Philips Miniwatt 1940's used/very good (45ma)
46=VT-63 Ken Rad used/tests like new 1940's (57.2ma Gm=2660)
47 RCA used/good 1940's rebranded Silvertone (30ma Gm=2150)
5W4 GE metal can NOS 1940's (54/40 and 54./40)
5W4=VT-97 Ken Rad metal can like new 1940's (52/40 and 52/40)
5W4GT Tungsol NOS 1952 (52/40 and 54/40)
5Z3G Ken Rad small "D" getter NOS 1945 era (51/40 and 51/40)
5Z3G RCA used/good 1956 (46/40 and 48/40)
5Z3G TRIAD by RCA used/tests like new 1940's (52/40 and 52/40)
6A3 Ken Rad coated glass NOS 1950 (82ma)
