WWI covered live on Twitter: "A general view of French heavy railway gun equipment at Mailly Arsenal, Marne, 3 May 1916 https://t.co/Wg1RmQPnpH https://t.co/QGPHOkgJzh"
Captured Italian mortars, May -WWI covered live
A French 400 mm railway gun in firing position near Ravin d'Harbonnieres, 29 June
WWI covered live on Twitter: "French gunners loading 400 mm gun on railway mounting near Sommesous Apr 4 1916 https://t.co/vO8zKbxcqi @BradLeeMann https://t.co/ckunpHEFmy"
WWI covered live on Twitter: "New French 280 mm heavy mortar in the artillery drill ground at Harfleur, 24 May 1916 https://t.co/p9EJ4mPNUi #1gm https://t.co/wqoPmhOI1Z"
French 240 mm railway howitzer, World War I era.
WWI covered live on Twitter: "A French 270 mm mortar at Camp de Mailly (Aube), 5 April 1916 https://t.co/PD3KTbPhCc #1GM #WW1 https://t.co/UTiLE2m0F7"
Q French gunners transporting a 240 mm heavy artillery gun with a tractor near Beaurieux 4 March
WWI covered live on Twitter: "Giant French Artillery piece called - Le 400 - Géant pièce d'artillerie française -Le Petit Journal Oct 1 1916 https://t.co/LlMPkthvC6 #1GM https://t.co/yAh4uXl4AZ"
WWI covered live on Twitter: "Captured Italian guns - Zwei eroberter italienische 15cm Kanonen am Campomolon. 24 Mai 1916 https://t.co/6Gcb6VB6WS https://t.co/sYwANFUY3i"
Near May 240 mm gun that destroyed German gun…
WWI covered live on Twitter: "Part 4 - French 240 mm railway gun assembling on its truck at Mailly-le-Camp Apr 5 1916 https://t.co/h3Joqu4sBw https://t.co/oVT5XM6kSz"