Worm (artillery)

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US Revolutionary ArtilleryWorm

A worm is a device used to remove unspent powder bag remnants from a cannon or other piece of muzzle-loading field artillery.[1] It usually took the form of a double corkscrew-shaped piece of iron on the end of a long pole that could be twisted down the barrel to pick up any debris left over from the previous firing of the weapon. It was usually turned twice before being pulled out.[2]


  1. ^ "Artillery Worm". www.nps.gov. Retrieved 17 November 2016. 
  2. ^ "Positions on the Gun". www.jeffdavisartillery.org. Retrieved 17 November 2016.