Zetagi 1220-1 25A Power Supply

I'm not sure how old it is, but I have had it at least 20 years!  It still provides good solid supply voltage.  It is on 24/7 most of the time and rarely gets warm, even when running the FT-857 at full power for extended periods.  Probably not the best PSU compared to modern ones, but has proved excellent over the years to date.