if anyone is interested here is a good video on the Tanks.. it's part of a series on WW-1
https://www.dailymotion.com/video/x242bim_wwi-the-first-modern-war-part-1-armored-beasts-tanks_news
Got to the point where Ernest Swinton invented the tank - gave up.
Fortunately that's 5 mins in so it wasn't too much of a waste of time.
Charlie
