Used Philips Type D tube from 1922
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Used Philips Type D tube from 1922:
$16.16
A PHILIPS Type D tube, vintage and very rare, for U47 NEUMANN MIC.
from: Philips
Type: D
Lot: 1 pc.
Code: ---
Getter: --
Function: early triode
Test-Results measured on a FUNKE W19: ok