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Includes photos of astrolabes, , protractors, drawing tools, and book covers that were created from the 15th to 18th centuries. Includes general specifications of ...

An online museum dedicated to world's fair history, architecture, and memorabilia.

Links to inflation statistics, price indexes, and sources of data on changes in the value of money.

Information on library facilities, services, and policies; research tools including access to online catalogs, databases, internet resources, and subject guides; ...

Traces the history of undersea cable communications, from the first telegraph cables used in 1850 to the fiber optic cables used today for the Internet.

GizmoHighway is the one stop place for technology information, reviews and news.

Bibliography of links, citations and online publications of the SI, the modern metric system of measurement, a language universally used in science, that has become ...

A documentary editing project at Rutgers University seeking to publish the inventor's papers online. Includes patents, clipings, and ntoes, as well as ...