IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. During the 1880s the engineer Herman ...

As a schoolboy growing up in New York City in the 1870s, Herman Hollerith often managed to sneak out of the schoolroom just before spelling lessons. His teacher noticed and one day locked the door; ...

From the early 20th century into the 1970s, Americans used punched cards to enter data onto tabulating equipment and then electronic computers. This early key-operated punch is based on patents of the ...