This machine has seven columns of ten plastic keys each; the bottom key is red and clears the column. It has a metal case painted speckled black. A repeat/error lever ...

This steel cabinet, which Phyllis Diller calls her Gag File, has fortyeight file drawers containing more than 50,000 3-by-5-inch index cards, each bearing a typewritten joke or gag that Diller used in ...

Our mission is to empower people to create a just and compassionate future by exploring, preserving, and sharing the complexity of our past.

At 29, Earl Shaffer was a capable and experienced outdoorsman, with hunting, fishing, trapping, and exploring skills honed in his youth in rural York County, Pennsylvania. He developed these talents ...

"I remember this circumstance very well because of the excitement and surprise and incredulity which he manifested at the time. He asked me over and over again what it was." (William D. Coolidge, ...

Wristwatches are relative newcomers among timekeepers. Although no one knows precisely when or where they first appeared, it is likely that the modern wristwatch dates from around 1880. About that ...

A desire to remove employees from Manhattan’s teeming humanity, particularly organized labor and “the machinations of the anarchists and socialists,” inspired William to purchase 400 acres across the ...

This exhibition looked at the efforts of people with disabilities, and their families and friends, to secure the civil rights guaranteed to all Americans. The website for this exhibition was retired ...

African Americans turned to the courts to help protect their constitutional rights. But the courts challenged earlier civil rights legislation and handed down a series of decisions that permitted ...

Before there were apps for tablets and smartphones, before mathematics education software was easily installed on personal computers, before electronic calculators entered professional practice and ...

Lincoln's Emancipation Proclamation dramatically changed the meaning of the war by declaring that all persons held as slaves in states still in rebellion were "thenceforward, and forever free." ...

The Constitution did not require white and African American children to attend the same schools. Social separation of blacks and whites was a regional custom; the states should be left free to ...