Pinched Tip
- Code On Tube
- F92 B9A (Rogers) F92 B9C (Mullard)
- Country
- Great Britain
- Factory Code
- B - Mullard, Blackburn, 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, Marked made in Holland, but etched code points to Blackburn UK
- Permanentid
- zmtufhkp
- Pin Color
- Silver Pins
