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(!!!) (BEST SINGLE - rare) 211D=VT-4-B Western Electric nickel base used/tests like new mid-1920's - reboxed (117ma)
(!!!) (BEST SINGLE - RARE) CX-330 Cunningham balloon engraved base NOS 1920's (3.0ma)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's (2.3ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (2.4ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) 231=31 US Made Balloon NOS 1920's (14.2ma)
(!!!) 31 RCA Radiotron Balloon NOS 1920's (13.2ma)
(!!!) CX-331 Cunningham NOS 1920's (12ma) (rare)
(!!) (Best Single) UX-120=20 Radiotron used/tests like new 1920's (7.3ma)
(!!) (Single) 201A=UV-201-A Supertron Hoboken New Jersey NOS 1926 (2.5ma) (good Gm)
(!!) (Single) UX-120=20 Radiotron used/60% 1920's (4.8ma)
(!!) PT-210 GE Pliotron Balloon engraved base NOS 1920's (29ma Gm=2000) (rare)
(!) (Display Tube) 101F Western Electric Tennis Ball engraved base 1930 era (no emission/filament lights) (DISPLAY TUBE)
(DISPLAY TUBE) 216A Western Electric used 1920's
(Display tube) UV-201 Volutron brass base - does not work - in good condition - 1920's
(DISPLAY TUBE) UV-201-A Radiotron "brass base and tipped" 1920's lights up nicely but no emission (display tube)
(Display tube) UV-201A Radiotron brass base 1920's (does not work)
01A Wards by Sylvania used/good 1940's (2.6ma Gm=700)
101D Western Electric Tennis Ball 1920's test like new (7.8ma and 8.4ma) (sold out)
102F WE Tennis Ball display tube - does not work
Deforest Audion Isolantite base display tube (single)
