[ Weapons of Antietam ]
12-pounder Dahlgren Boat Howitzer
Common name: Naval Howitzer
Description: Originally designed for use on ships' boats, these bronze guns were equipped with basic wrought-iron carriages for use ashore. They were in service in both smoothbore and rifled versions. These were prized by the units that had them for light weight and reliablility.
Employment at Sharpsburg: Only two units, Company K of the 9th New York Infantry, and Grimes' Portsmouth (VA) Battery were known to have these guns on the Maryland Campaign. Find units equipped with these.
Maximum Range: 1085 yards Barrel/Tube Length: 55 inches Bore: 4.6 inches Other notes: Max range is for 1 lb black powder charge behind a 10 lb. solid shot.
760 lb. tube wieght (smoothbore).
More on the Web: See more about this and other Civil War artillery at the comprehensive Civil War Artillery Page, by Chuck Ten Brink or the very nice Basic Facts page from Jack W. Melton, Jr. The NPS has a fine general introduction to Civil War artillery in a 3-page presentation.
Source Information: Johnson, Curt & Anderson, Richard C., Artillery Hell: Employment of Artillery at Antietam, College Station, TX: Texas A&M University Press, 1995.
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