Little Willie is presented as the first vehicle that could reasonably be called a tank. It followed the practical transmission, track and trench-crossing work just described. The insistence that a Scottish sailor must have named it is a joke, with other explanations about mockery of Germans mentioned in passing.
Notable Point · 6:43-7:19
Little Willie becomes the first tank prototype
Little Willie follows the work on transmission and tracks as the first vehicle in the account that can reasonably be called a tank.