240 mm/50 Modèle 1902 gun
240 mm/50 Modèle 1902 gun is a naval artillery or rifled breech loader.
Also recorded as 240 mm/50 Modele 1902 gun.
Overview
French naval/coastal defence 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
“240mm/50 Modèle 1902 gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4631760: 240 mm/50 Modèle 1902 gun
Consult the source