(!!!!!) (Best Overall Single) 280 Silvertone like new 1930 era (50/40 and 53/40)
(!!!!) UX-280 RCA Radiotron Balloon used/60% 1930 era some white oxide flakes inside tube (38/40 and 38/40)
(!!!) 80 Cunningham Balloon used/good 1930 era some white oxide flakes inside tube (42/40 and 50/40)
(!!!) CX-380 Cunningham Balloon used/65% 1930 era some white oxide flakes inside tube (39/40 and 44/40)
(!!) (DISPLAY TUBE) 180 Arcturus Blue 1930 era (does not work - display tube only)
(DISPLAY TUBE) 480 Deforest Audio Balloon shape glass 1930's (for display purposes only - does not work)
(DISPLAY TUBES) 80 Balloon shape glass 1930's (for display purposes only - do not work)
