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6X5GT GE used/good 1960 (47/40 and 48/40)
6X5GT Ken Rad 1940's used/good (51/40 and 53/40) (RCA construction)
6X5GT Philco by Sylvania used/good 1940's tilted top mica (54/40 and 60/40)
6X5GT Sylvania chrome top NOS 1958 (51/40 and 52/40)
6X5GT Sylvania chrome top used/good 1956 (47/40 and 50/40)
6X5GT US Brands used/good (10 in stock)
6X5GT US Brands used/good (2 for $12)
6Y5 RCA NOS with metal shield soldered around tube (74-73/50)
6ZY5G Coronado/Gamble Stores licensed by RCA NOS (3 in stock)
80 Raytheon engraved base used/good 1930's rattle inside base (51/40 and 57/40)
80 Raytheon engraved base used/good 1930's small rattle inside base (46/40 and 52/40)
80 Tungsol like new, 1 internal plate slightly tilted (51/40 and 52/40)
8013A NOS (8 in stock)
8020 Amperex 1940's low hours/test like new (4 in stock)
8020 Sperti by RCA 1940's low hours/test like new (1 in stock)
8020 US Brands NOS (6 in stock)
81 ST-16 Sylvania NOS 1940's top mica tilted, 1 small glass chip inside tube (56/40)
81 ST-19 Harvey Burnam by RCA NOS engraved base 1940's (54/40)
81 ST-19 RCA Radiotron engraved base 1939, tests like new, loose glue particles inside base (good value) (53/40)
81 ST-19 RCA/Radiotron NOS RED PRINTING in original box (54/40)