10.5 cm SK L/40 gun
10.5 cm SK L/40 gun is a naval artillery or rifled breech loader.
Overview
German naval gun.
In detail
It is associated with German Empire.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“10.5 cm SK L/40 naval gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4545914: 10.5 cm SK L/40 gun
Consult the source