History of the manufacturer
Highest Grade (Tube brand)
As a member you can upload pictures (but not
single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Highest Grade (Tube brand) (USA) |
| Abbreviation: | highestgra |
| Products: | Brand |
| Summary: |
Highest Grade A UX 201A tube with this brand on a paper label has been found on ebay. Brand is also known to exist but is not in Tyne's "Saga of the vacuum Tube" |
| History: |
This manufacturer was suggested by Fin Stewart.
[rmxhdet-en]
| Data Compliance | More Information |