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(!!!) (Recommended) 83 RCA low hours/tests like new 1940's (60/40 and 60/40) 1% section balance
(!!!) (Set of 6) 6106 Bendix 1950's NOS rebranded 5Y3WGTA Heintz & Kaufman in 1970's (Set of 6 = 3 pairs)
(!!!) (Single) 5U4GB CBS NOS double "D" getters 1958 (61/40 and 70/40)
(!!!) (SINGLE) 5U4GB RCA NOS 1966 (60/40 and 68/40)
(!!!) (Single) 83 RCA NOS 1956 small amount of graphite flaked off plate (66/40 and 65/40)
(!!!) (Single) CV378=GZ37 Mullard low hours/tests like new "O" getter halo 1967 some stains around top of glass (51/40 and 51/40)
(!!!) 5U4GB GE NOS 1971 (58/40 and 61/40)
(!!!) 6CA4=EZ81 GE NOS 1980 (55/40 and 55/40)
(!!!) 80 RCA used/strong new 1946 (54/40 and 58/40)
(!!!) CX-380 Cunningham Balloon used/good 1930 era (46/40 and 56/40)
(!!!) CX-380 Cunningham Balloon used/good/70% 1930 era (42/40 and 44/40)
(!!!) UX-213 (sub for Type 80) Rectron Balloon 1920's used/60% thropiated tungsten filaments (38/40 and 38/40) (rare)
(!!!) UX-280 RCA Radiotron Balloon used/good 1930 era some white oxide flakes at bottom of tube (46/40 and 48/40)
(!!) (Best Pair) 5726=6AL5 Sylvania JAN NOS 1980 (45-46/40 and 46-46/40)
(!!) (BEST PAIR) 5Y4GA RCA NOS 1969 same date codes (52-56/40 and 52-57/40)
(!!) (BEST PAIR) 5Y4GA Sylvania NOS 1960's same date codes (54-59/40 and 53-58/40)
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (47-47/40 and 47-48/40)
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (48-48/40 and 48-48/40)
(!!) (Best Pair) GB-5726=6AL5 Sylvania Gold Brand Gold Pins NOS 1960's (49-50/40 and 50-50/40)
(!!) (Best Single) 5AS4A RCA NOS 1964 slightly tilted glass (56/40 and 56/40)
