pneumatic weapon
pneumatic weapon is a projectile weapon or pneumatic system.
Overview
Projectile weapon which uses pressurized air.
In detail
pneumatic weapon is a projectile weapon or pneumatic system.
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
“Pneumatic weapon”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1260928: pneumatic weapon
Consult the source