485 Sylvania used/good 1930”s no printing
7.9ma
Gm=1300
(485 is a variant of Type 27 with 3V @ 1.25A filament)
(Sparton=The Sparks-Withington Co., Jackson, MI)
$4.50 $14.99
485 Sylvania used/good 1930”s no printing
7.9ma
Gm=1300
(485 is a variant of Type 27 with 3V @ 1.25A filament)
(Sparton=The Sparks-Withington Co., Jackson, MI)
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