Carte De Visite Portrait of a Group of Unidentified Schoolgirls (1870′s)

Carte de visite portrait of a group of unidentified schoolgirls, c. 1870′s. By New York City photographer John G. Müller.

Source: New York Public Library.

Union Soldiers Loading a 15-inch Rodman Gun in Fort Warren on Georges Island at the Entrance to Boston Harbor in Massachusetts During the American Civil War (1864)

Union soldiers loading a 15-inch Rodman gun in Fort Warren on Georges Island at the entrance to Boston Harbor in Massachusetts during the American Civil War, 1864. By James Wallace Black.

Source: Boston Public Library.

Carte De Visite of American Inventor Zadoc Dederick’s Steam-Powered Humanlike Walking Automaton Pulling a Cart (1868)

Carte de visite of American inventor Zadoc Dederick’s steam-powered humanlike walking automaton pulling a cart, c. 1868. By George O. Bedford.

Source: New York Public Library.

Bird’s-Eye View of Philadelphia, Pennsylvania (1891)

Bird’s-eye view of Philadelphia, Pennsylvania, 1891. By Benjamin West Kilburn.

Source: Rijksmuseum.

Portrait of a Smiling Beggar Boy by Swedish-Born British Photographer Oscar Gustave Rejlander (1860)

Portrait of a smiling beggar boy by Swedish-born British photographer Oscar Gustave Rejlander, c. 1860.

Source: National Museum of American History.

Portrait of a Young Algerian Man Posing With a Jug (1860's/1870's)

Portrait of a young Algerian man posing with a jug, c. 1865-1875.

Source: Rijksmuseum.

Mark Twain Getting a Drink of Water From a Dispenser at the Louisiana Purchase Exposition in St. Louis, Missouri (1904)

Mark Twain (man with white hair in center) getting a drink of water from a dispenser at the Louisiana Purchase Exposition in St. Louis, Missouri, 1904.

Source: Rijksmuseum.

Portrait of an Unidentified Egyptian Man (1860's/1870's)

Portrait of an unidentified Egyptian man, c. 1865-1875.

Source: Rijksmuseum.

Portrait of a Group of German Soldiers Posing With Three Sitting Allied Prisoners of War Somewhere in Germany During World War 1 (1910's)

Portrait of a group of German soldiers posing with three sitting Allied prisoners of war somewhere in Germany during World War 1. One of the prisoners is identified as Private P. Robertson who served with the Royal Army Medical Corps.

Source: Wellcome Images.

View of a Market in the Qasr An Nil Area of Cairo, Egypt (1870′s/1880′s)

View of a market in the Qasr an Nil area of Cairo, Egypt, c. 1870′s/1880′s. By C. and G. Zangaki.

Source: Rijksmuseum.