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Alexander Graham Bell demonstrated several experimental telephones at the Philadelphia Centennial Exposition in 1876. This unit features a single…

Picture of Albert Fall,

African American children learning about Thanksgiving, with model log cabin on table

This is a public ad after the passing of the Pure Food and Drug Act

U.S. document that banned corrupt monopolies in the business world.

1st July 1912: A Kinetograph camera, an early film camera, the original of which was patented in 1891 and designed by WKL Dickson working under the…

Photograph of unemployed railway workers seated by a shack during the Pullman Strike of 1893, Chicago Illinois or vicinity.

[Legislative committee of Pueblo Indians with Indian Commissioner Charles Burke, in Washington, D.C. to meet with President Coolidge]

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