The Horse Artillery Brigade of the Army of the Potomac was a brigade of various batteries of horse artillery during the American Civil War.
Officers of the Horse Artillery Brigade at Fair Oaks, 1862. Photo by James F. Gibson. Library of Congress.
Officers of Battery A, 2nd U.S. Artillery, 1862. L-R: Clarke, Tidball, Dennison, Pennington. Photo by James F. Gibson. Library of Congress
Officers of Combined Batteries B & L, 2nd U.S. Artillery, 1862. L-R: Wilson, Vincent, Robertson, Woodruff. Photo by James F. Gibson. Library of Congress
Battery M, 2nd U.S. Artillery, 1862. Photo by James F. Gibson. Library of Congress
The 3-inch ordnance rifle, model 1861 was a muzzleloading and rifled cannon that was adopted by the United States Army in 1861 and widely used in field artillery units during the American Civil War. M
U.S. Horse Artillery Brigade
…for military efficiency, accuracy of fire, and command presence in the field and in battle. These mobile artillery units were typically equipped with 3-inch Ordnance rifles, known for their reliability and accuracy. Originally under the direct command of Lt. Col. (and future Brigadier General) William Hays, and later under…
3-inch ordnance rifle, model 1861
3-inch ordnance rifle, model 1861
Muzzle shows "No.220 - PICo - 1862 - 817 lbs. - JMW". This represents registry number, Phoenix Iron Company, year produced, weight, and inspector (James M. Whittemore). Location is Fort Stedman, Petersburg National Battlefield.
This 3-inch ordnance rifle overlooks "The Angle" – the target of Pickett's Charge – at Gettysburg National Military Park.