Assertion: gatling gun's barrel | /r/HasProperty | aud
Facets:
Source sentences:
text: Behind the carrier-block the shaft carries another cylinder, called the lock-cylinder, in whose surface ten guide-grooves are formed, which are in line with the barrels, and in which slide ten long breech-plugs or locks, called lock-tubes or plungers, by which the cartridges are thrust into the barrels, aud which close the barrels and resist the reaction of the charges when they are fired.