(!) 80 Tungsol ST-shape tests like new 1940's (54/40 and 56/40)
(!) 80 Tungsol ST-shape tests like new 1940's (57/40 and 60/40)
(!) 80 Tungsol ST-shape used/good 1946 (52/40 and 54/40)
(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)
80 Hytron engraved base used/strong 1930's (60/40 and 62/40)
80 Raytheon engraved base used/good 1930's rattle inside base (51/40 and 57/40)
80 Raytheon engraved base used/good 1930's small rattle inside base (46/40 and 52/40)
80 Raytheon used/good 1951 (58/40 and 70/40)
80 RCA Cunningham used/good 1930's (44/40 and 47/40)
80 Tungsol like new, 1 internal plate slightly tilted (51/40 and 52/40)
