(!) (Best Value Pair) CX-112A Cunningham and UX-112A RCA Balloon engraved base used/tests like new (10.2ma and 9.7ma)
(!) (Best Value) 5Z3G RCA Victor NOS 1940's (48/40 and 49/40)
(!) (PAIR) UX-112A RCA Radiotron Balloon engraved base used/good (7.1ma and 7.4ma)
(!) (Recommended Single) 5Z3G FAA RCA NOS 1962 (56/40 and 56/40)
(!) CX-112A RCA Cunningham Balloon engraved base used/good 1930 era (6.2ma)
(!) CX-112A RCA Cunningham Balloon ribbed plate engraved base like new 1930 era (9ma)
(!) UX-112A Radiotron Balloon engraved base used/good 1930 era (7.4ma)
(!) UX-112A Radiotron Balloon engraved base used/tests like new 1930 era (8.3ma) (Gm like new)
(DISPLAY TUBE) 480 Deforest Audio Balloon shape glass 1930's (for display purposes only - does not work)
(Display tube) UV-201 Volutron brass base - does not work - in good condition - 1920's
(Display tube) UV-201A Radiotron brass base 1920's (does not work)
(DISPLAY TUBES) 80 Balloon shape glass 1930's (for display purposes only - do not work)
01A Wards by Sylvania used/good 1940's (2.6ma Gm=700)
112A Balloon no name with blue "Type 112-A" sticker on glass used/good (4.7ma)
112A Rayovac Balloon engraved base used/very good, internals like a UX-112A RCA (8.5ma)
112A RCA used/tests like new 1930's (7.5ma)
46 RCA NOS 1940's (60.4ma Gm=3210)
46 Sylvania NOS 1940's (52ma Gm=2950)
46=VT-63 Ken Rad used/tests like new 1940's (57.2ma Gm=2660)
71A Cunningham Balloon used/tests like new 1930's (30ma)
