ملف:Scapa Flow.jpgDescriptionScapa Flow.jpg English: Scapa Flow defences 1940-41 Date 1953 Source The War at Sea 1939-1945, Chapter V Author S.W.Roskill Permission (Reusing
ملف:Torpedo net, Scapa Flow museum.jpgAttribution-Share Alike 4.0 truetrue English An example of torpedo netting at the Scapa Flow museum, Orkney time period: World War II object has role: photographer