Portrait of Union Officers of the U.S. Horse Artillery Brigade Posing With a Cannon in Fair Oaks, Virginia (1862)

Portrait of Union officers of the U.S. Horse Artillery Brigade posing with a cannon in Fair Oaks, Virginia, June 1862.  By James F. Gibson. Animated stereoscopic photographs.

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A Group of Union Soldiers and Civilians Posing at Cumberland Landing During the Peninsula Campaign (1862)

A group of Union soldiers and civilians posing at Cumberland Landing during the Peninsula Campaign, May 1862. By James F. Gibson. Animated stereoscopic photographs.

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Time-Lapse View of Union Soldiers Posing in Front of A. Foulke's Sutler Hut in the Camp of the 1st Brigade, Horse Artillery in Brandy Station, Virginia

Time-lapse view of Union soldiers posing in front of A. Foulke's sutler hut in the camp of the 1st Brigade, Horse Artillery in Brandy Station, Virginia, February 1864. By James F. Gibson.

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Another photograph of the scene from another angle published in Miller's Photographic History of the Civil War.

Union Soldiers of the 16th New York Volunteer Infantry Regiment Wounded at the Battle of Gaines' Mill Being Tended to in Field Hospital at Savage Station, Virginia (1862)

Union soldiers of the 16th New York Volunteer Infantry Regiment (wearing straw hats) as well as men from other units wounded at the Battle of Gaines' Mill being tended to in a field hospital at Savage Station, Virginia, June 27, 1862. By James F. Gibson. Animated hand-colored stereoview.

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Union Generals Andrew A. Humphreys, Henry W. Slocum, William B. Franklin, William F. Barry, and John Newton Posing With Other Unidentified Officers and an African American Child at Cumberland Landing, Virginia (1862)

Union generals (from left to right, all sitting in chairs) Andrew A. Humphreys, Henry W. Slocum, William B. Franklin, William F. Barry, and John Newton posing with other unidentified officers and an African American child at Cumberland Landing, Virginia, May 14, 1862. By James F. Gibson. Animated stereoscopic photographs.

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The Staff of Union General Fitz John Porter Posing in an Unidentified Camp During the Peninsula Campaign in Virginia (1862)

The staff of Union General Fitz John Porter posing in an unidentified camp during the Peninsula Campaign in Virginia, May 20, 1862. George Armstrong Custer is laying down with a dog on the right. By James F. Gibson. Animated stereoscopic photographs.

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Union General George Stoneman and General Henry Naglee Posing With Members of Their Staffs in Camp in Fair Oaks, Virginia (1862)

Union General George Stoneman (seated at far right) and General Henry Naglee (seated second from right) posing with members of their staffs in camp in Fair Oaks, Virginia, June 1862. By James F. Gibson. Animated stereoscopic photographs.

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Three Group Portraits of Union Officers of the U.S. Horse Artillery Brigade in Fair Oaks, Virginia (1862)

Three group portraits of Union officers of the U.S. Horse Artillery Brigade in Fair Oaks, Virginia, 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union Soldiers of Major Robertson’s Battery of Horse Artillery on Review Near Richmond, Virginia (1862)

Union soldiers of Major Robertson’s Battery of Horse Artillery on review near Richmond, Virginia. 1862. A similar image I posted here earlier says that it was taken in Fair Oaks, Virgina, which I think might be more accurate. By James F. Gibson. Animated stereoscopic photographs.

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Union Captain George Armstrong Custer of the 5th US Cavalry Posing With Confederate POW Lieutenant James B. Washington at Fair Oaks (1862)

Union Captain George Armstrong Custer of the 5th US Cavalry (right) posing with friend and ex-classmate Confederate POW Lieutenant James B. Washington at Fair Oaks, Virginia, May 31, 1862. By James F. Gibson. Animated stereoscopic photographs.

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View of a 100-pounder Gun Aboard the Recently Captured CSS Teaser Which Was Captured by the USS Maratanza (1862)

An unidentified man posing with a 100-pounder gun aboard the recently captured CSS Teaser which was captured by the USS Maratanza on July 4, 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union General George Stoneman in Camp at Fair Oaks, Virginia (1862)

Union General George Stoneman in camp at Fair Oaks, Virginia, June 1862. By James F. Gibson. Animated stereoscopic photographs.

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A Union Army Balloon Corps Camp in Falmouth, Virginia (1862)

Union Army Balloon Corps camp in Falmouth, Virginia, March 1863. By James F. Gibson. Animated stereoscopic photographs.

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View of the USS Pensacola in Alexandria, Virginia (1861)

View of the Union Navy screw steamer USS Pensacola in the background and a number of civilians posing in and around smaller vessels in the foreground in Alexandria, Virginia, 1861. By James F. Gibson. Animated stereoscopic photographs.

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A Union Officer and Three Civilians Posing in Front of Photographer's Tent in a Camp Near Yorktown, Virginia (1862)

A Union officer and three civilians posing in front of photographer's tent in a camp near Yorktown, Virginia, May 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union Navy Officers Posing in Front of the Turret on the Deck of the USS Monitor on the James River, Virginia (1862)

Union Navy officers posing on deck in front of the turret of the USS Monitor on the James River, Virginia, July 9, 1862. A group of Union sailors are also visible on top of the turret. By James Gibson. Animated stereoscopic photographs.

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A Dead Confederate Soldier Killed in the Slaughter Pen During the Battle of Gettysburg, Pennsylvania (1863)

A dead Confederate soldier with a large head wound who was killed in the area known as the Slaughter Pen during the Battle of Gettysburg, July 1863. By James F. Gibson. Animated stereoscopic photographs.

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Two Views of Union Topographical Engineers Posing in Camp Near Yorktown, Virginia (1862)

Two views of Union topographical engineers posing in camp near Yorktown, Virginia, 1862. By James F. Gibson. Animated stereoscopic photographs.

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A Group of Union Soldiers Who Worked as Servants for Officers Posing in Camp Winfield Scott Near Yorktown, Virginia (1862)

A group of Union soldiers known as the "beef-killers" who worked as servants for officers in Camp Winfield Scott near Yorktown, Virginia, May 3, 1862. By James F. Gibson. Animated stereoscopic photographs.

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French Princes Serving in the Union Army Playing Dominoes at Camp Winfield Scott in Yorktown (1862)

Two Union officers who were also members of French royalty Prince Robert (Duke of Chartres, far left) and Prince Philippe (Count of Paris, center) playing dominoes with friends at Camp Winfield Scott in Yorktown, Virginia, 1862. Their uncle, François d’Orléans (Prince of Joinville), is sitting on the far right wearing checkered pants. By James F. Gibson. Animated stereoscopic photographs.

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