German Trench Digging Machine, c.1914
Here we see a simple pre First World War German trench digging machine, basically a large plough drawn by a tractor. This would have been very vulnerable under fire so presumably was for use behind the front line, allowing a defensive position to be quickly cut.
How to cite this article:
Rickard, J (25 September 2014), German Trench Digging Machine, c.1914 , http://www.historyofwar.org/Pictures/pictures_trench_digging_machine.html