QF 5.25 inch gun
QF 5.25 inch gun is a dual purpose gun or rifled breech loader.
Overview
British dual-purpose artillery.
In detail
It is associated with United Kingdom. The record gives 1935 as its date of establishment or first appearance.
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
“QF 5.25-inch naval gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2121217: QF 5.25 inch gun
Consult the source