QF 13-pounder gun
QF 13-pounder gun is a field gun or artillery model.
Also recorded as Ordnance QF 13pdr.
Overview
British light field artillery.
In detail
It is associated with United Kingdom of Great Britain and Ireland.
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 13-pounder gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3885486: QF 13-pounder gun
Consult the source