The Australian War Memorial Collection. Test site
Messines Sector, Belgium. 17 February 1918. Australians engaged in constructing a reinforced concrete observation post under a camouflage screen near Broken Tree House.
Messines Sector, Belgium. 17 February 1918. A camouflaged observation post in the course of construction near Broken Tree House, in the Messines Sector, when the Australians were engaged in strengthen
Messines Sector, Belgium. 17 February 1918. An old German machine gun and observation post near Ungodly Avenue in the Messines Sector, which was used by various battalions as a First Aid Post.
Messines Sector, Belgium. 17 February 1918. An old German machine gun and observation post near Ungodly Avenue in the Messines Sector, which was used by various battalions as a First Aid Post.
Messines Sector, Belgium. 16 February 1918. An observation post, constructed of metal, camouflaged to represent the trunk of a tree at Warnane Lodge, in the Messines Sector. It was used by Australians
Wytschaete, Belgium. 15 February 1918. An Australian working party at Wytschaete building a concrete observation post, well screened under heavy camouflage.
Wytschaete, Belgium. 15 February 1918. An Australian working party at Wytschaete building a concrete observation post. The heavy camouflage prevents enemy aerial observation.
