The Fisher

Brand on Tube The Fisher
Extended Brand Name The Fisher Radio Corp. New York
Real Tube Manufacturer Mullard

Country Great Britain
Etched code on Tube f31 B9A
Factory Code B - Mullard, Blackburn
Bottle Height Half
Tip Shape Round Tip
Glass Color Clear Glass
Mica Double
Plate Color Matte Gray
Pin Color Silver
Base Black
The Fisher GZ34 5AR4
The Fisher GZ34 5AR4

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