|Object type||Black & white - Glass original half plate negative|
|Maker||Unknown Australian Official Photographer (Photographer)|
|Place made||Belgium: Western Front (Belgium), Messines Area, Messines|
|Date made||6 June 1917|
Captain Albert Jacka VC (front holding map), 14th Battalion, comparing his maps with the prepared model of the Messines area, over which his company was to advance on the following day, 7 June 1917, in the battle of Messines. This contour map of the battlefield was constructed near Petit Pont, and stands where erected from which it could be studied to advantage, in order that troops taking part would fully understand their course of action in the great undertaking.