Pinched Tip
- Code On Tube
- F92 B9A (Rogers) F92 B9C (Mullard)
- Country
- Great Britain
- Factory Code
- B - Mullard, Blackburn, B - Mullard, Blackburn
- Getter
- O-Getter Halo
- Getter Support
- One
- Glass Color
- Clear Glass
- Mica
- Double
- Other Marks
- Marked made in Holland, but etched code points to Blackburn UK, Marked made in Holland, but etched code points to Blackburn UK
- Permanentid
- zmtufhkp
- Pin Color
- Silver Pins
- Plate Color
- Matte Gray
- Plate Look
- Ribbed / Scale
- Plate Size
- 17mm
- Tip Shape
- Pinched Tip
- Year
- 1959
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