Good topic.
These aren't my favourite games but more so the era and circumstances in which they were produced is what interests me.
After thinking for a few minutes, I'd say it would be a privilege to be on the line in the mid 70's at the Gottlieb plant and id take home a Jacks Open.
Secondly, at the WMS plant making the Twilight Zone - right in the peak of the revival and most technological. Interesting to see how the assembly workers went with its production.