[Amps] Cleaning tubes

[Ron Youvan]

Colin Lamb wrote:

> I have a friend who called me one day.  He cleaned all the tubes in his HRO-50 with window cleaner.  

> The reason he called was because the cleaning fluid removed all of the tube identification.  He asked me how to identify tubes without any identification.  

   That can remove all of the "painted" information, but it won't effect 
the "etched" tube type number, other than removing the dirt it the pores.
-- 
    Ron  KA4INM - The problem with socialism is that eventually you run 
out of other people's money.
                  [Margaret Thatcher]