M61 Vulcan
M61 Vulcan is a rotary cannon or autocannon.
Also recorded as Vulcan; T171; M61; General Electric M61 Vulcan; General Electric Vulcan.
Overview
It is associated with United States. The record gives 1949 as its date of establishment or first appearance. 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
20 mm gatling type rotary cannon
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
“M61 Vulcan”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q725972: M61 Vulcan
Consult the source