ECHO: Exploring and Collecting History Online
Society, History, By Topic, Science - ECHO: Exploring and Collecting History Online. Dedicated to using the internet to collect and assemble (for the historical record) personal recollections of recent developments in science and technology, and to encouraging others to undertake similar projects.
https://echo.gmu.edu/
The Cosmic Elk, science, history and the history of science
Society, History, By Topic, Science - The Cosmic Elk, science, history and the history of science. Webpages, articles, and books on science, history and the history of science, including the history of astronomy, Tudor history and the history of Siberia.
http://www.cosmicelk.co.uk
Today In Science History
Society, History, By Topic, Science - Today in Science History. Memorializes births and deaths of famous and not so famous scientists of the past, and other events in science history.
https://www.todayinsci.com/
ExpoMuseum - The World's Fair Museum
Society, History, By Topic, Science - ExpoMuseum. An online museum dedicated to world's fair history, architecture, and memorabilia.
https://www.expomuseum.com/
MICHAEL CARMICHAEL - ALCHEMY ONLINE
Society, History, By Topic, Science - Carmichael, Michael. Topics of special interest include history of art, philosophy, early use of psychoactive substances.
http://www.michaelcarmichael.com/
Telegraph-History
articles focusing on U.S. telegraph history
http://www.telegraph-history.org
History of the Atlantic Cable & Submarine Telegraphy
Society, History, By Topic, Science - History of the Atlantic Cable Submarine Telegraphy. 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.
https://atlantic-cable.com/
Old scientific Instruments
Old scientific instruments and books from 15th to 18th century, Astrolabes, Dividers, Rulers, Drawing Instruments,Graphometer, Scientific Books, Geometry, Practical Geometry, Tables, Land Surveying, Euclides, Regiomontanus
https://www.geometricum.com/
The Thomas A. Edison Papers
Society, History, By Topic, Science - Thomas A. Edison Papers. Information and documents about Edison's life and career including his years as a telegrapher and inventions in the field of telegraphy.
https://edison.rutgers.edu/