> from what I can see each preset has 5 beckman 62P R100K 8333S and 1
> Beckman 62P 1 meg 8321S
There are some cross references to other manufacturer's equivalents
at:
http://www.tocos.com/Cross%20Reference.pdfThey'll be Beckman 62P series - the 8333S and 8321S are probably
date of manufacture - week 33 and week 21 of 1983.
> I have found some various trimmers in catalogs, and one worked OK,
> but was a bit out of line with the hole on the front panel. another
> type although they kind of fitted (bit too big) and they said they
> were 100K didn't work at all.
Different pin orientation perhaps?
Steve