I don't know whether such things can or can't be made anymore, but it sure is fascinating to see how certain giant machines are almost strategic national assets

I don't know whether such things can or can't be made anymore, but it sure is fascinating to see how certain giant machines are almost strategic national assets, and compare when they were built. NIST deadweight machine seems like another thing in this class: https://www.nist.gov/news-events/news/2016/06/million-pound-deadweight-machine-officially-open-business https://www.nist.gov/news-events/news/2016/06/million-pound-...