On the author's Flickr, the first image is in the "DASA Working World Exhibition" album: https://www.flickr.com/photos/mwichary/55316837619/in/album-...

It's in Dortmund: https://www.dasa-dortmund.de/en/

The author also has a list of his favorite tech museums: https://aresluna.org/fav-tech-museums/