P Peborgh Member Joined Aug 31, 2009 Messages 43 May 19, 2015 #1 Guys, I have two 1950s Univac thermionic tube/valve modules in my collection. They are dirty (understandably...). Can anyone give some method(s) I could use to clean them up without destroying them and their labels? Many thanks, peter
Guys, I have two 1950s Univac thermionic tube/valve modules in my collection. They are dirty (understandably...). Can anyone give some method(s) I could use to clean them up without destroying them and their labels? Many thanks, peter