Scarff ring
Scarff ring is a machine gun or weapon model.
Overview
Type of machine gun mounting.
In detail
Scarff ring is a machine gun or weapon model.
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
“Scarff ring”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q7430393: Scarff ring
Consult the source