gun pendulum


  • WordNet 3.6
    • n gun pendulum a ballistic pendulum consisting of a suspended gun; the velocity of a projectile in the bore of a gun can be measured by the recoil when the gun is discharged
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In literature:

The gun must therefore be laid by the quoin and pendulum.
"Ordnance Instructions for the United States Navy." by Bureau of Ordnance, USN