(!!!!) (Best Value Single) 80=U50 Madrid Spain tall bottle NOS 1949 (62/40 and 72/40)
By Tube World
$ 49.99
80=U50 Madrid Spain tall bottle upside down platter shape getter 1949 - partially faded Marconi logo and some black specs on glass inside glass around the top
62/40
72/40
Tested on TV-7D/U
See more: vacuum tube
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