German <a href="https://en.wikipedia.org/wiki/15_cm_Schnelladekanone_L/45" class="extiw" title="en:15 cm Schnelladekanone L/45">15 cm Schnelladekanone L/45</a> salvaged from SMS Bremse. At the <a href="https://en.wikipedia.org/wiki/Scapa_Flow#Scapa_Flow_Visitor_Centre" class="extiw" title="en:Scapa Flow">Scapa Flow Visitor Centre</a>, Hoy, Orkney Islands, Great Britain.
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/4865">Peter Mattock</a>
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/118942">geograph.org.uk</a>; transferred by <a href="//commons.wikimedia.org/wiki/User:Oxyman" title="User:Oxyman">User:oxyman</a> using <a class="external text" href="https://tools.wmflabs.org/geograph2commons/">geograph_org2commons</a>.