485 Sylvania engraved base used/good 1934 (8.3ma)
$ 19.99
485 Sylvania engraved base used/good 1934
8.3ma
Gm=1500
(variant of Type 27 with 3V @ 1.25A filament)
(Sparton=The Sparks-Withington Co., Jackson, MI)
See more: vacuum tube
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