Russian coastal artillery guns, displayed in Suomenlinna fortress, Helsinki.
<ul><li>Front: Krupp 28 cm gun (11-inch), made by F Krupp in 1870, N:o 4</li>
<li>Right: Russian license built copy, made at the <a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%BE%D1%82%D0%BE%D0%B2%D0%B8%D0%BB%D0%B8%D1%85%D0%B8%D0%BD%D1%81%D0%BA%D0%B8%D0%B5_%D0%B7%D0%B0%D0%B2%D0%BE%D0%B4%D1%8B" class="extiw" title="ru:Мотовилихинские заводы">Perm Ironworks</a> in 1879, N:o 1880</li>
<li>Background: <a href="//commons.wikimedia.org/wiki/Category:229_mm_naval_gun_M1867" title="Category:229 mm naval gun M1867">229 mm naval guns M1867</a></li></ul>
CC BY 2.5
Photo by me, <a href="//commons.wikimedia.org/w/index.php?title=User:Balcer&amp;action=edit&amp;redlink=1" class="new" title="User:Balcer (page does not exist)">User:Balcer</a>.