In the past, I've used electronic contact cleaner to get the majority of the gunk off, and then followed up with Armor All spray. The Armor All also has a bit of silicone which keeps the panel bright and fingerprint free.
Good luck!
--- In emlsynth@yahoogroups.com, "Brian Arthur" <brianarthur2@...> wrote: > > Any favoured method/s for cleaning the silverface EML panels?? >