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.

Stereoview of Exhibits in the Eastern Transept of of a Building at the 1862 International Exhibition in London, England (1862)

Stereoview of exhibits in the eastern transept of of a building at the 1862 International Exhibition in London, England, 1862. By William England.

Source: Library of Congress.

Portrait of Visitors Posing in Front of Exhibits at the Mississippi Valley Sanitary Fair in St. Louis, Missouri (1864)

Portrait of visitors posing in front of exhibits at the Mississippi Valley Sanitary Fair in St. Louis, Missouri, 1864.

Source.

Daguerreotype View of Soldiers Guarding a Gate During the Exposition Universelle, a World’s Fair Held Along the Champs-Élysées in Paris, France (1855)

Daguerreotype view of soldiers guarding a gate during the Exposition Universelle, a world’s fair held along the Champs-Élysées in Paris, France, 1855. By Hermann Krone.

Source.

The Sousa Band Performing at the Exposition Universelle in Paris (1900)

The Sousa Band performing at the Exposition Universelle in Paris, 1900. By William Herman Rau. Animated stereoview.

Source.