. "yes"@en . . "German Empire"@en . "yes"@en . . "The 28 cm SK L/50 was a German naval gun that was used in World War I and World War II. Originally a naval gun, it was adapted for land service after World War I."@en . "1909"^^ . . "separate-loading, case charge"@en . "28 cm SK L/50 gun"@en . . "Krupp"@en . "The 28 cm SK L/50 was a German naval gun that was used in World War I and World War II. Originally a naval gun, it was adapted for land service after World War I."@en . . . "horizontal sliding-wedge"@en . . "28"^^ . . . . . "German Empire"@en . "Nazi Germany"@en . "1911"^^ . "1911"^^ . . . "Preserved barrel from damaged during the Battle of Jutland in 1916"@en . . .