Field Artillery No. 1
Ten-Pound Parrott Field Rifle
Patented in 1861 by Robert P. Parrott and produced at West Point Foundry.
Identified by cast iron band around the breech. Model 1863 shown; 1861 Model had muzzle swell.
Also produced in a 20-pounder version.
Mostly used to fire shell and case, sometimes a solid iron bolt.
Canister ammo was not as effective because the rifled barrel tended to shoot the canister balls in erratic patterns.
Three inch bore diameter; 78 inch cast iron tube weighing 890 lbs.
One pound powder charge.
Range of 2000 yards at 5 degree elevation. (One mile equals 1760 yards.)