Men of 28th Battalion of the 2nd Australian Division lying stretched on the ground to practice Lewis gun drill at Renescure.
Lewis gunners of the 12th Royal Scots wear box respirators during a gas attack on a front line trench, Meteren.
A general view of a Lewis gun post in a trench held by 15th Royal Scots, probably near Croissilles.
Observer's firing positions in the Royal Aircraft Factory F.E.2d.
A Marine platoon sergeant of the 4th Marines instructs Filipino cadets in the use of the Lewis machine gun.
Twin mount on a Sopwith Camel
Lewis Gun in Elgin Military Museum
Twin gun for airforce useage