French 11" gun (not firing).
French artillery loading big gun. Side view group of soldiers round back of gun - a big bomb shell is hanging from a small crane; and moved into position on a small wheeled car which sits on top of the back base of the gun. The men then push the car forward until the shell is lined up with the hole in the gun. They turn a crank to move the shell in.
See also ON 414 O part of same story (?).