Marconi

Brand on Tube Marconi


Country Great Britain
Etched code on Tube 641 R116
Factory Code R - Mullard, Mitcham
Year 1950s
Tip Shape Pinched Tip
Glass Color Clear Glass
Mica Double
Getter O-Getter Halo
Plate Look Boxed Plate
Plate Size 14mm
Plate Color Matte Gray
Pin Color Silver Pins
Marconi ECC83 B339 Plate

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