World War I in Photos: Technology - Holt gas-electric tank - the first American tank in The Holt did not get beyond the prototype stage, proving too heavy and inefficient in design.
http://www.britishbattles.com/firstww/battle-of-nery.htm … #FirstWorldWar Rolls Royce Armoured Car Belgium 1914
A French camouflaged armoured train on which are mounted 190 mm guns. Near Caix, 28 August
WWI covered live on Twitter: "A small armoured trolley for transportation of trench mortar ammunition. Toul, 25 Jan 1916 https://t.co/PKq4xdppbI https://t.co/IAEtsBkmlk"
May 20 1915 British land train hauls large artillery piece across rough country http://archives.chicagotribune.com/1915/05/20/page/3/article/great-engine-that-hauls-british-cannon-map-showing-how-russians-have-lost-ground … #OnThisDay
WWI covered live on Twitter: "French 27th Anti-Aircraft Regiment loading a motor-mounted 47 mm gun near Sains-en-Amienois, Oct 13 1916 https://t.co/yj6TVlPv4l https://t.co/vZ74Dd4usD"
WWI covered live on Twitter: "Français 47mm gun sur la voiture blindée-French armoured car w 47mm gun,serial #21588,Sains-en-Amienois Oct 13 1916 https://t.co/YMCqnpVnFd https://t.co/Yff0JFt68O"