2 cm Flak 30/38/Flakvierling
2 cm Flak 30/38/Flakvierling is an artillery or artillery model.
Overview
Type of anti-aircraft weaponanti-materiel and anti-personnel weapon.
In detail
It is associated with Nazi Germany.
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
“2 cm Flak 30, Flak 38 and Flakvierling 38”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q56191128: 2 cm Flak 30/38/Flakvierling
Consult the source