Canon de 138 mm Modèle 1910 gun
Canon de 138 mm Modèle 1910 gun is a rifled breech loader or naval artillery.
Also recorded as Canon de 138 mm Modele 1910 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
“Canon de 138 mm Modèle 1910 naval gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2936471: Canon de 138 mm Modèle 1910 gun
Consult the source