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12X4 RCA "o" getter NOS 1970 (44/40 and 46/40)
12X4 RCA branded Westinghouse NOS black plates "D" getter branded 1962 era (49/40 and 50/40)
12X4 Silvertone Sylvania "D" getter NOS 1960 era (46/40 and 48/40)
12X4 Tungsol branded Dumont black plates "D" getter NOS 1963 (47/40 and 49/40)
13CW4 RCA NOS 1950's - 1970 (5 in stock)
13DR7 Sylvania branded GE NOS (1 pair)
1608 RCA white ceramic base NOS in white box 1940 era (32.5ma)
1614 GE NOS 1962 (66ma)
1614 RCA NOS 1957 (58ma)
1614 RCA NOS/75% 1973 (55ma)
1614 RCA used/very good 1961 surface oxidation / rust on metal can (67ma)
1619 GE NOS 1960 (56ma)
1625 National Union like new 1940's no printing in white box (72/40)
1625 National Union like new 1940's no printing in white box (85/40)
1625=VT-136 National Union used/good mid-1940's (69/40)
1625=VT-136 RCA NOS 1954 (84/40)
1635 RCA coated glass NOS 1950-1953 (2 in stock)
1635 RCA NOS (6 in stock)
1640 RCA Phototube NOS (2 in stock)
171A RCA Radiotron Balloon used/good 1932 (20ma)
