Map showing British and German ships and movements at the Battle of Heligoland Bightl, First Phase, 28 August November 1914.
Battle_of_Heligoland_Bight_(1914)_First_Phase_Map.png
Battle_of_Heligoland_Bight_(1914)_First_Phase_Map.png: William Oliver Stevens and Allan Westcott. Published by George H Doran Company, New York.
derivative work: Cumulus (talk)