16 inch/50 Mark 7 gun
16 inch/50 Mark 7 gun is a BL 16 inch gun or naval artillery.
Overview
It is associated with United States. Catalogue entries for arms and armour state maker, marks, mechanism and, where relevant, licensing. VALÉORINE records this subject so that lots referring to it can be described consistently.
In detail
American naval artillery
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
“16-inch/50-caliber Mark 7 gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1002203: 16 inch/50 Mark 7 gun
Consult the source