INDUSTRIAL REVOLUTION

Photographs: a cotton gin, a Standard Oil Company advertisement, Alexander Bell talking on the New York to Chicago telephone line, children at work in a factory, a Spinning Jenny design, one of the first assembly lines, the Homestead Steel strike, and an early iron bridge. Documents: the Keating-Owen Child Labor Act of 1916, a map of the Union Pacific Railway, early American inventions (1794–1906), early steamboats, a Western Union telegram about the 1903 First Flight, an Andrew Carnegie political cartoon, an Atlantic Cable drawing, and the first telegraph.