Quote:
Originally Posted by benman94
Thanks Nick. Bob mentioned to me that the later 15Gs seem to have a lower leak rate in his opinion.
Does anyone know when production started and stopped? I'm more interested in knowing how long the tube was actually built.
|
My 1964 Allied still listed a 15GP22 for $222.00. IDK, if it was NOS or recently manufactured.
The newest type listed was a 21FBP22.