Thread: An old valve
View Single Post
Old 5th Dec 2017, 2:11 pm   #2
Silicon
Nonode
 
Join Date: Jun 2007
Location: Coulsdon, London, UK.
Posts: 2,169
Default Re: An old valve
I assume it is an Ediswan triode.

Does it have 'R' or 'AR' markings on the glass?
Silicon is offline