6294a arrived. Looks good so far.
Firstly I got the shit scared out of me. It arrived in a wet cornered box wrapped in plastic. The wet turned out to be diesel or something similarly nasty based on the smell. Has been disposed of outside as has all packaging.
Fortunately the power supply was perfectly fine inside it
. And it's in reasonable condition
Need to get rid of this horrid thing off it first
Insides. Date coded around 1989 so this is a VERY late example. This product line ran from 1968 to 1990 approximately which is a hell of a long time.
Tidy up and test later.
Edit: oh win, just seen the voltage pot is a 10 turn one.