Early Photo of Fort Lafayette Taken From Fort Hamilton in New York City (1860)

 

Photo of Fort Lafayette taken from Fort Hamilton in Brooklyn, New York City, c. 1860. Taken by photographer Platt Babbitt and originally published as a glass stereoview.

Source: J. Paul Getty Museum.

Portrait of a Group of Communard Soldiers Posing With Two Cannon at a Barricade During the Paris Commune (1871)

 Portrait of a group of Communard soldiers posing with two cannon at a barricade during the Paris Commune in Paris, France, 1871. Cabinet card-sized albumen print taken by photographer Bruno Braquehais.

Source: J. Paul Getty Museum.

Union Sailors Posing on the Deck of an Unidentified US Navy Warship During the American Civil War (1860′s)

Union sailors posing on the deck of an unidentified US Navy warship during the American Civil War, c. 1860′s.

Source: Library of Congress.

Carte De Visite Portrait of Union Sailors Posing on the Deck of the Union Navy Sloop of War USS Hartford Possibly in New Orleans, Louisiana, During the American Civil War (1864)

Carte de visite portrait of Union sailors posing on the deck of the Union Navy sloop of war USS Hartford possibly in New Orleans, Louisiana, during the American Civil War, c. 1864. By McPherson and Oliver.

Source: Library of Congress.

Chinese Soldiers Posing With a Cannon in Nanking, China (1871)

Chinese soldiers posing with a cannon in Nanking (Nanjing), China, 1871. By John Thomson.

Source.

Animated Stereoview of Confederate Soldiers Posing With Artillery Pieces on the Parapet of Fort Moultrie Sometime After the Bombardment of Fort Sumter (1861)

Animated stereoview of Confederate soldiers posing with artillery pieces on the parapet of Fort Moultrie sometime after the bombardment of Union-held Fort Sumter, April 1861. By Osborn and Durbec.

Source.

Portrait of a Group of Union Civil War Veterans Posing With a Monument on Cemetery Hill in Gettysburg, Pennsylvania (1800's)

Portrait of a group of Union Civil War veterans posing with a monument on Cemetery Hill in Gettysburg, Pennsylvania, c. 1800's. By William H. Tipton. Animated stereoview.

Source.

Portrait of Two Union Navy Sailors Fencing on the Deck of the Union Gunboat USS Hunchback During the Civil War

Portrait of two Union Navy sailors fencing on the deck of the Union gunboat USS Hunchback during the Civil War. Probably by Egbert Guy Fowx. Animated stereoscopic photographs.

Source.

American Artillerymen and Infantrymen Posing at Fort Harker in Kanopolis, Kansas (1867)

American artillerymen and infantrymen posing at Fort Harker in Kanopolis, Kansas, 1867. By Alexander Gardner.

Source.

Union Soldiers of the Boston Light Artillery Posing With Their Guns in a Fortified Battery Overlooking the Thomas Viaduct in Elkridge, Maryland (1861)

Union soldiers of the Boston Light Artillery posing with their guns in a fortified battery overlooking the Thomas Viaduct in Elkridge, Maryland, 1861. The Baltimore and Ohio Railroad ran across the viaduct which was part of the only railroad connection into Washington, D.C., during the Civil War.

Source.
More information.

View of Clowns Posing With a Cannon in Front of a Ferris Wheel as a Crowd Looks on During Independence Day Celebrations in Marengo, Illinois (1896)

View of clowns posing with a cannon in front of a Ferris wheel as a crowd looks on during Independence Day celebrations in Marengo, Illinois, July 4, 1896. By S. L. Platt. Animated stereoview.

Source.

Portrait of a Powder Monkey Named Aspinwall Fuller Posing in Front of a Cannon Aboard the USS New Hampsire Off the Coast of Charleston, South Carolina (1864)

Portrait of a powder monkey named Aspinwall Fuller posing in front of a cannon aboard the USS New Hampsire off the coast of Charleston, South Carolina, c. 1864. Animated stereoview.

Source.

Union Soldiers of the 12th Regiment New York State Militia Posing Between Two Rows of Barracks in Camp Anderson in Washington, D.C. (1861)

Union soldiers of the 12th Regiment New York State Militia (probably Company I) posing between two rows of barracks in Camp Anderson in Washington, D.C., 1861. Attributed to Mathew Brady.

Source.

Union Soldiers of the 7th Regiment New York State Militia Posing in Camp Cameron in Washington, D.C. (1861)

Union soldiers of the 7th Regiment New York State Militia posing in Camp Cameron in Washington, D.C., 1861. Attributed to Mathew Brady.

Source.

Two Photographs of Union Soldiers Posing With a Captured Confederate 18-Pounder Cannon Nicknamed “Whistling Dick” (1863)

Two photographs of Union soldiers posing with a captured Confederate 18-pounder cannon nicknamed “Whistling Dick.” The gun was responsible for sinking the Union gunboat USS Cincinnati during the Siege of Vicksburg on May 26, 1863.

Source.
Second image from Miller's Photographic History of the Civil War.

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.

Source.

Two Scenes of Union Soldiers of the 1st Indiana Heavy Artillery Regiment Posing With a Cannon in a Fortified Position During the Siege of Port Hudson in Louisiana (1863)

"East view from Port Hudson." Animated stereoview.

Two scenes of Union soldiers of the 1st Indiana Heavy Artillery Regiment posing with a cannon in a fortified position during the Siege of Port Hudson in Louisiana, 1863. By McPherson and Oliver.

Source 1.
Source 2.

Union Soldiers and Civilians Posing With Artillery at the Washington Arsenal in Washington, D.C., During the Civil War

Union soldiers and civilians posing with artillery at the Washington Arsenal in Washington, D.C., during the Civil War.

Source.

Union Soldiers of the Cleveland Light Artillery Posing With a Cannon in an Unidentified Camp During the Civil War

Union soldiers of the Cleveland Light Artillery posing with a cannon in an unidentified camp during the Civil War. At least three of the people in uniform appear to be women.

Source.

Confederate Soldiers Posing on a Ramp Leading From the Sally Port Into the Interior of Fort Barrancas With Two Cannon Barrels Which Are About to be Installed on the Ramparts of the Fort (1861)

Confederate soldiers posing on a ramp leading from the sally port into the interior of Fort Barrancas with two cannon barrels which are about to be installed on the ramparts of the fort in Pensacola, Florida, 1861. By Jay Dearborn Edwards. From Miller's Photographic History of the Civil War.