The 12 cm kanon M/94 was a Swedish naval gun deployed aboard the coast-defense ships as their secondary armament.
Bibliography
Book: Friedman, Norman. Naval Weapons of World War One: Guns, Torpedoes, Mines and ASW Weapons of All Nations; An Illustrated Directory. Seaforth Publishing . Barnsley, UK . 2011 . 978-1-84832-100-7 . Norman Friedman.