16-01-2024, 05:59 PM
The silver knob on the end looks to be adjustable so maybe it is a backward wave tube.
I have never seen anything like it.
Is the number on the label a clue? It looks to be an Octal base with a valve holder attached.
I have never seen anything like it.
Is the number on the label a clue? It looks to be an Octal base with a valve holder attached.
Boater Sam.







