I assume you’ve seen the old Waltham Watch factory.
I used to drive my grandkids by it and stop the car so they could get a good look at it.
The looks of the building was ruined for many years by window air conditioners but they are gone.
Best picture here.
http://www.e-architect.co.uk/america/waltham-watch-factory-project-massachusetts
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NEVER saw the factory. I started repair in 1944 at age 10 and thought “old pocket watches” were for fuddy duddies.
No respect at all, but had to repair them. 72 years later I’m servicing a couple of the VERY SAME watches, now cherished by latter generations.
I admit, though, I grew up in Worcester and live in Milford, both within 35 miles of that factory. I’ve just never gone to see it. As far as the museum is concerned, the contents are brought to me weekly.