Louis Jacques Mand Daguerre. Boulevard du Temple, Paris, c. 1838. Daguerreotype. Bayerisches Nationalmuseum, Munich.

Louis Jacques Mand Daguerre. Boulevard du Temple, Paris, c. 1838. Daguerreotype. Bayerisches Nationalmuseum, Munich.

Southern Ann Arbor, October, 1951. Jefferson Avenue in foreground

Southern Ann Arbor, October 1951. Jefferson Avenue in the foreground, Packard runs off Main Street at an angle, past Perry School.

Snowy winter in Louisa County Iowa, 1929

A Vintage United State Photo

Kanas City Missouri

The Wright brothers set up a workshop at Kill Devil Hills, above the beach at Kitty Hawk in September 1900. They assembled their first glider there.

Augustus Waller was demonstrating his capillary electrometer to the Royal Society in London in 1887.

Augustus Waller was demonstrating his capillary electrometer to the Royal Society in London in 1887. To the enormous relief of the assembled luminaries, his dog Jimmy, who had one front and one back paw immersed in a saline solution containing the electrodes, was not electrocuted.