An HP-35 Production Overview

[KimH]

This was a great read, thanks for the hard work in getting this together and especially sharing it here.

What it suggest - maybe stating the obvious here, sorry - is that initially the serial number beginning with YYWW was indeed showing what revision we were dealing with, it did not stay that way.

I can see that on my many Titans, they change YYWW weekly.

If this assumption is correct, it would be fun to get a POW on which models where the last one(s) with the same approach as the Classic 35.