Real Tube Manufacturer Mullard


Country Great Britain
Etched code on Tube 1593 E3, 1593 F3
Factory Code B - Mullard, Blackburn
Year 1953
Tip Shape Pinched Tip
Glass Color Clear Glass
Mica Double
Getter Square Getter
Getter Support Double
Plate Look Ribbed / Scale
Plate Size 17mm
Plate Color Matte Gray
Pin Color Silver Pins
Special Use KB - UK Military
Other Marks Vertical Code
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491
Mullard CV491

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