Rikhter R-23
Rikhter R-23 is an autocannon or artillery model.
Overview
Type of single-barrel revolver cannon.
In detail
It is associated with Soviet Union. The record gives 1957 as its date of establishment or first appearance. Activity is recorded as ending in 1963.
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
“Rikhter R-23”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4386247: Rikhter R-23
Consult the source