C-11=WD-11 Cunningham NOS engraved base 1930 era
$ 98.88
C-11 Cunningham NOS 1930 era
(WD-11 = C-11: 1.1 volt filament, 135VDC max plate volts)
(864 can be used for WD-11, but will not plug directly into a WD-11 socket)
See more: vacuum tube
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