Just came across a link to this place:
technikum29 Computer museum with runnable first general-purpose computers -…
All exhibits in technikum29 are operational. There are no information boards, instead selected devices are presented within a guided tour by experts.
It seems they have before, and will again, run guided tours for small groups by appointment. Otherwise, it’s not open to the public.
But the website has a sidebar which constitutes a virtual tour. Here’s a photo from the Programmable Third Generation Calculators page:
Have an explore - there are mainframes and micros and more.
