BL 9.2-inch howitzer
BL 9.2-inch howitzer is a rifled breech loader or siege artillery.
Overview
British heavy siege howitzer.
In detail
It is associated with United Kingdom of Great Britain and Ireland. The record gives 1913 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
“BL 9.2-inch howitzer”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4835910: BL 9.2-inch howitzer
Consult the source