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 |












