The 24 cm SK L/30 "Theodor Otto" (SK - Schnelladungskanone (Fast-loading cannon) L - Lange (with a 30 caliber barrel) was a German railroad gun used in World War I. Four were built and saw service in 1918 on the Western Front.
| Graph IRI | Count |
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| http://dbkwik.webdatacommons.org | 32 |