Comptometer: Biography of a Machine
Offers a history of the Comptometer, the first practical calculating machine invted by Dorr Eugene Felt in the late 1880s.
Professional discussion group on the history and theory of the historical sciences.
Interactive journey through history focusing on inventions and technology.
John Harrison and the Longitude Problem
The story behind the manufacture of John Harrison's marine timekeepers, which allowed early sailors to establish their longitude. Presented by the Royal Observatory in Greenwich.
Making the Modern World
Multimedia exhibit tracing how the Industrial Revolution transformed our world, and how it is still transforming today. Includes stories, timelines, and learning modules about science and invention from the 18th century to the present.