305 mm/45 Modèle 1906 gun
305 mm/45 Modèle 1906 gun is a naval artillery or rifled breech loader.
Also recorded as 305 mm/45 Modele 1906 gun.
Overview
French naval artillery.
In detail
It is associated with France.
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
“305mm/45 Modèle 1906 gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2936445: 305 mm/45 Modèle 1906 gun
Consult the source