The 15 cm SK L/45 "Nathan" or, more formally, the 15 cm SK L/45 in Mittelpivot-Lafette (SK - Schnelladekanone (quick loading gun)) 45 caliber on a central-pivot mount was a German railroad gun used in World War I.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 32 |