(!!!!) (Best Single) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (84ma) (1st version of ATS25)
(!!!!) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (67ma) (1st version of ATS25)
(!!!) (Good Value Single) 807=ATS25 GEC England ceramic base NOS 1940's (70.2ma)
(!!!) (Recommended) 814=VT-154 GE ceramic base like new 1940's (105ma)
(!!!) 807=ATS25 GEC England ceramic base NOS 1940's dark gray plate (64.5ma)
(!) 814=VT-154 GE brown base like new 1940's (108ma)
(!) 814=VT-154 GE brown base like new 1940's (118ma) (Highest mA and Gm)
38233=2C21 Raytheon ceramic base NOS 1930's
38233=2C21 Raytheon ceramic base NOS 1940's
4-pin EF Johnson 123-206-1 = 123-206-200 Jumbo ceramic bayonet socket for 8008, 5C22, C6J vacuum tubes NOS (0 in stock)
809 RCA ceramic base like new 1940 era (66/42)
T-40 Taylor ceramic base used/like new (1 in stock)