IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1881 the English engineer Samuel ...

This relatively late English-built arithmometer represents C. & E. Layton's improvements to the machine originally designed by Samuel Tate. The stepped drum manually operated non-printing calculating ...

A growing collection of photography articles to help you become a better photographer, includes interviews with photographers, photography events, software guides, hot products, consumer advice ...

According to an exhibition report, this machine, or arithmometer, successfully rivals the well-known one of Colmar." History Computer site/the History of Computers.