Online texts of historical documents relating to the history of the steam engine.

Includes timelines and historical essays of the top 20.

Discovered the rotating magnetic field, the basis of most alternating-current machinery. Als, invented the Tesla coil, that is widely used in radios. Includes biography, list of inventions, photos, and quotes.

Information and documents about Edison`s life and career including his years as a telegrapher and inventions in the field of telegraphy.

Peer-reviewed journal of the Society for the History of Technology. Subscription information, submission guidelines, and free access to tables of contents and abstracts.

An illustrated history of timekeeping from ancient times to the present, by NIST

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.

Documenting the life of the revered American scientist who conducted pioneering work in electromagnetism. His unselfish genius helped bring about the inventions of the telegraph, electric motor, and telephone.

Online collection of his papers from Library of Congress.

Biography with photographs, diagrams and animations of his double acting engine .

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

Digital archive of 20th century technology.

Encouraging study of the history of technological devices and processes, as well as the relations of technology to science, politics, social change, the arts and humanities,

Details of the work involved, historical references illuminating likely mental models, diagrams of work.

Biography of this African-American engineer and inventor, who developed and patented several inventions relating to telegraphy.

Photographs and short descriptions of various light bulbs, lamps, motors, batteries, and other inventions of Thomas Edison.

Chronicle many of the events, inventions, and notable persons that made radio what it is, and asks if lessons learned from this history can be applied to the Internet today.

A small museum in Wales covering the development of the diesel engine in the 20th century. Includes photos, history and descriptions of these types of motors.

Covers a number of popular inventions through history from the 15th to the 20th century.

Links to many types of resources

A single event from this date in the history of technology. Published weekdays, from the Center for the Study of Technology and Society.