Mullard EL37 R61- Base
- Black
- Bottle Height
- Tall Bottle
- Bottle Shape
- Coke Bottle
- Code On Tube
- R61 B01
- Country
- Great Britain
- Factory Code
- B - Mullard, Blackburn
- Getter
- Bottom Getter
- Glass Color
- Smoked Glass
- Permanentid
- dbz7fgqj
- Pin Color
- Silver Pins
- Plate Color
- Matte Gray
- Tip Shape
- Round Tip
