- Biography(4)
- Electronics(2)
- Institutions(5)
- Telegraphy(6)
- Greatest Engineering Achievements of the Twentieth Century
- www.greatachievements.org
- Includes timelines and historical essays of the top 20.
4.1
(si*)
>620
<10
6
- ExpoMuseum
- www.expomuseum.com
- An online museum dedicated to world's fair history, architecture, and memorabilia.
3.8
(si*)
>170
>50
4
- Time Warp
- www.time-warp.org
- Digital archive of 20th century technology.
3.5
(si*)
>20
-
4
- Alex den Ouden
- www.alexdenouden.nl
- Books, articles and consultancy on industrial archaeology and the history of technology, engineering and metallurgy. Text in Dutch and English.
3.2
(si*)
<5
-
3
- Gizmohighway
- www.gizmohighway.com
- Technology guide looking at the past, present and future of technology and gadgets.
3.1
(si*)
<5
<5
2
- South Western Electricity Historical Society
- www.swehs.co.uk
- Electricity history and industrial archaeology especially the supply, generation and distribution of electricity in the South West of England. Contains newsletters, events and articles.
3.1
(si*)
-
-
3
- Old scientific Instruments
- www.geometricum.com
- Includes photos of astrolabes, , protractors, drawing tools, and book covers that were created from the 15th to 18th centuries. Includes general specifications of each item within a table chart.
3.1
(si*)
<5
-
3
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