Armstrong Gun
Armstrong Gun is a rifled breech loader or artillery model.
Overview
It is associated with United Kingdom of Great Britain and Ireland. 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
rifled breech-loading artillery piece
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
“Armstrong gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q689133: Armstrong Gun
Consult the source