How Long Does It Take to Load a Tank onto a Train? A 20th-Century Transformation

https://varimail.com/articles/how-road-transport-limits-forced-tank-design-to-change-the-moment-most-people-miss/

Ask a logistics sergeant from 1916 and then ask one from 1976 the same question - how long does it take to load a tank onto a train - and you will get two very different answers