Category:230 mm artillery
English: Guns with bore of approximately 230 mm. This includes 9-inch guns, which had a bore of 228.6 mm.
This category has the following 3 subcategories, out of 3 total.
Media in category "230 mm artillery"
This category contains only the following file.
- Battery at Annapolis, Md, 1866 - NARA - 524544.jpg 3,000 × 2,413; 1.6 MB