The concept of a vehicle to provide troops with both mobile protection and firepower was not a new one. But in the First World War, the increasing availability of the internal combustion engine, armour plate and the continuous track, as well as the problem of trench warfare, combined to facilitate the production of the tank.
A Vintage Scratch built WW1 Tank - –
Mark IV (Male), British WWI Tank – Skytrex
Never-before-seen pictures show how Germans captured and used British tanks against Allied Forces
How Britain Invented The Tank In WW1
British ww1 tank hi-res stock photography and images - Alamy
Why didn't the British tanks of WWI have a rotating main turret like the French tanks of WW1? - Quora
British heavy tanks of the First World War - Wikipedia
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672 Ww1 Tank Stock Photos, High-Res Pictures, and Images - Getty Images
The Tank of England - raising funds with Britain's new weapon - Picturing the Great WarThe First World War Blog from Mary Evans Picture Library
History Of The First Ever Tank: Little Willie
WW1 British Army Mark 1 Heavy Tank — Brick Block Army
The Evolution of Tanks
The Mark IV Tank: Why the British War Machine Became so Iconic