Tank Spotter’s Guide - The Tank Museum - Google Books

https://books.google.de/books?id=F-i6CwAAQBAJ&pg=PA63

Invented during World War I to break the grim deadlock of the Western Front trenches, tanks have gone on to revolutionise warfare. From the lightning Blitzkrieg assaults of World War II to the great battles in the Middle Eastern desert and the largest ever…