The 11th Corps Artillery Brigade was also known as Osborn’s Brigade. During the battle of Gettysburg, it served as a member of the Eleventh Corps, Army of the Potomac.
About the Main Monument
When was it dedicated? Erected circa 1912.
What is it made out of? Foundation: Concrete. Monument: Polished smooth sea-green granite. Plaque: Bronze.
What size is it? 36′ by 36′ base. Weight: 300 Pounds. Height 5’4″. Tablet measures 4 feet by 3 feet 8 inches.
Who made it? Albert Russell & Sons Co. of Newburyport, Massachusetts. Erected by the United States War Department.
What does it depict? Monolith consisting of polished smooth sea-green granite pedestal with a square base. Base tapers to a smaller dimension at the tablet. On each pedestal is mounted a bronze inscription tablet describing the movements and actions of the unit.
What does it honor? One of 74 Union brigade monuments erected at Gettysburg by the United States War Department to describe the movements and itinerary of each Union brigade of the Army of the Potomac. The monuments were designed by E.B. Cope. Many of the inscription tablets were made of bronze melted down from Civil War cannons.
How is it inscribed? The monument reads,
ARMY OF THE POTOMAC
ELEVENTH CORPS
ARTILLERY BRIGADE
Major Thomas W. Osborn
1st New York Battery I Six 3 lnch Rifles
Capt. Michael Wiedrich
New York 13th Battery Four 3 Inch Rifles
Lieut. William Wheeler
1st Ohio Battery I Six 12 Pounders
Capt. Hubert Dilger
1st Ohio Battery K Four 12 Pounders
Capt. Lewis Heckman
4th U. S. Battery G Six 12 Pounders
Lieut. Bayard Wilkeson Lieut. Eugene A. Bancroft
July 1. Arrived with the Corps. All the batteries engaged except Battery I 1st New York on Cemetery Hill. The artillery retired and took position on Cemetery Hill west of the Baltimore Pike except Battery K 1st Ohio sent to the rear disabled and Battery 1 1st New York on East Cemetery Hill.
July 2. The Brigade was reinforced in the morning by five batteries from the Reserve Artillery
July 3. At 1 P. M. the Confederate artillery opened a terrific front and enfilading fire from the right followed by an infantry charge and on which the artillery of this command was concentrated with great effect. The Brigade lost one gun captured one gun disabled and two dismounted.
Casualties Killed 1 Officer 6 Men Wounded 3 Officers 50 Men Captured or Missing 9 Men Total 69 98 Horses Killed
When was this photograph taken? June 6, 2010.
Where is it located? Located Gettysburg National Military Park, Gettysburg, Pennsylvania 17325. Located on Howard Avenue, west section.
Is this monument located along the NPS Auto Tour route? Located on the extended tour route that includes Barlow’s Knoll.
Has this monument been moved or changed? This monument has not been moved or materially changed.
At Gettysburg
Commander: Major Thomas Ward Osborn (March 9, 1833 – December 18, 1898) was a Union Army officer and United States Senator representing Florida.
After Action Report: After Action Report of Maj. Thomas W. Osborn (will open a pop up window).
Eleventh Corps, AOP at Gettysburg

Eleventh Army Corps – Artillery Brigade – First Division – First Brigade – Second Brigade – Second Division – First Brigade – Second Brigade – Third Division – First Brigade – Second Brigade


