Time Warp  
   Digital archive of 20th century technology.
   http://www.time-warp.org

Vintage Audio, Video and Television site  
   Pictures, documents, technical information, and links relating to webmaster's professional and pastime interests in early audio, video and television developments.
   http://www.callnetuk.com/home/terrym

Greatest Engineering Achievements of the Twentieth Century  
   Includes timelines and historical essays of the top 20.
   http://www.greatachievements.org/

Alex den Ouden  
   Books, articles and consultancy on industrial archaeology and the history of technology, engineering and metallurgy. Text in Dutch and English.
   http://www.denouden.demon.nl/index.html

Technology History  
   Miscellaneous links to technology topics.
   http://www.refstar.com/techhist/

Sketches of a History of Statistical Mechanics and Thermodynamics - Hyperjeff  
   Timeline of the major events of statistical mechanics and thermodynamics. Includes links to biographies and a complete bibliography.
   http://history.hyperjeff.net/statmech.html

Resources in the History of Science & Technology  
   Many links
   http://sciweb.lib.umn.edu/subject/hst.html

Yale Library: History of Science, Technology, and Medicine  
   Links to many types of resources
   http://info.med.yale.edu/library/sir/history.html

Pam Mack's History of Technology Links  
   
   http://people.clemson.edu/~pammack/links.htm

Today in Technology History  
   A single event from this date in the history of technology. Published weekdays, from the Center for the Study of Technology and Society.
   http://www.tecsoc.org/today.htm

History of the IBM Typewriter  
   Timeline with images of each model
   http://www.etypewriters.com/history.htm

Air Force Technology  
   Timelines through 1970s.
   http://www.rl.af.mil/History/topic.html

Lumber, Logging and Paper  
   An illustrated history of logging and sawmills in the US provided by Ed Sanders.
   http://www.edsanders.com/logging/history.htm

Building Big  
   A companion to the PBS series, the site explores the engineering principles, design challenges, and stories behind some of the most remarkable achievements in the history of building.
   http://www.pbs.org/buildingbig

A Walk Through Time  
   An illustrated history of timekeeping from ancient times to the present, by NIST
   http://physics.nist.gov/GenInt/Time/time.html

ExpoMuseum  
   An online museum dedicated to world's fair history, architecture, and memorabilia.
   http://www.ExpoMuseum.com/

World's Fairs and Expositions  
   Resources on the world's fairs held from 1876 to 1916 focusing on how they shaped American culture by presenting idealized visions of the past and future that often ignored minority viewpoints.
   http://www.boondocksnet.com/expos/

Totalizator History  
   The history of the invention of the world's first automatic totalizator in 1913 and its subsequent development. Mechanical computing on a commercial scale.
   http://www.ozemail.com.au/~bconlon/

South Western Electricity Historical Society  
   The SWEHS is interested in electricity history and industrial archeology with particular reference to the supply, generation and distribution of electricity in the South Western area of England.
   http://www.emep-486.telinco.co.uk/swehs

The Dead Media Project  
   Database of notes written and researched by mailing members pertaining to various forms of media and communications devices throughout history.
   http://www.deadmedia.org/

Greatest Inventions - The Evolution of Man through History  
   Covers a number of popular inventions through history from the 15th to the 20th century.
   http://library.thinkquest.org/C002942/home.shtml

H-GIG Technology History links  
   From the University of California, Riverside.
   http://www.ucr.edu/h-gig/hist-science/techn.html

The Steam Engine Library  
   Online texts of historical documents relating to the history of the steam engine.
   http://www.history.rochester.edu/steam/

Technology Chronology  
   Dates and descriptions of some important events in the history of technology, from prehistory through modern times.
   http://campus.northpark.edu/history/WebChron/Technology/Technology.html

Inventions! Patents at NC State University  
   Patents developed by faculty at NC State University and selected items from NCSU Libraries? collection of related materials.
   http://www.lib.ncsu.edu/archives/exhibits/patents/

Wolfgang von Kempelen's and the subsequent speaking machines  
   A description of vaious methods of producing synthetic speech experimented with between 1770 and 1970. Includes auditory illustrations.
   http://www.ling.su.se/staff/hartmut/kemplne.htm

History of Refrigeration  
   Summary with links to related articles.
   http://www.rogersrefrig.com/history.html

Henry VIII Stamped Out Industrial Revolution  
   Article in the Telegraph reporting that archaeologists have found evidence that Cistercian monks in Yorkshire were developing a prototype blast furnace when they were evicted by the king in 1538.
   http://portal.telegraph.co.uk/news/main.jhtml?xml=%2Fnews%2F2002%2F06%2F21%2Fnhenry21.xml

Roman Engineering and Industry  
   Illustrated article on the engineering enterprise of the Roman engineer. Includes aqueducts, pipes, valves, and pumps.
   http://www.novanet.it/com/personale/togliard/nemi/nindex_e.htm

The Engines of Our Ingenuity  
   Radio program that tells the story of how our culture is formed by human creativity. Features transcripts for every episode heard since the show's inception in 1988.
   http://www.uh.edu/engines/

Surfing the Aether - A Radio History & Technology Timeline  
   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.
   http://www.northwinds.net/bchris/

History of Science and Technology in Islam  
   Describes Arabic original inventions and improvements in chemical processes and mechanical engineering
   http://www.gabarin.com/ayh/

Kodo Zuroku - Illustrated Book on the Smelting of Copper  
   Online facsimile of an eighteenth century book by Masuda Tsuna, translated by Zenryu Shirakawa.
   http://dibinst.mit.edu/BURNDY/OnlinePubs/KodoZuroku/index.html

Canadian Civil Engineering History & Heritage  
   Features civil engineering historic sites and engineers who made a significant impact on civil engineering in Canada.
   http://collections.ic.gc.ca/civileng/eng/

The astronomical clock at Hampton Court Palace  
   The astronomical clock at Hampton Court Palace by the author of the original guide book, and including many details and fascinating facts and discoveries omitted from the guide book.
   http://homepage.ntlworld.com/heather.hobden1/hamptoncourtclock.htm

ThinkQuest - The Evolution of Communication  
   Traces the development of verbal and non-verbal communication through human history, from prehistoric cave drawings to satellite broadcast.
   http://library.thinkquest.org/26451/

Waterpower at Niagara  
   The history of power development at Niagara Falls. Includes a timeline, a hot-linked schematic of a power house installation, and short biographies of key power pioneers.
   http://www.personal.psu.edu/users/s/g/sgl121/powerhistory.html

Internal Fire  
   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.
   http://www.internalfire.com/

Nikola Tesla  
   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.
   http://www.neuronet.pitt.edu/~bogdan/tesla/

Mark Twain and Technology  
   An exploration of the technology Twain refers to in his novel, A Connecticut Yankee in King Arthur's Court. site was constructed as part of a Summer Institute at Carnegie Mellon University.
   http://fayette.k12.in.us/~cbeard/cy/index.html

It'll Never Work!  
   Negative comments about new scientific and technological ideas.
   http://www.lhup.edu/~dsimanek/neverwrk.htm

A World Of Communication  
   All about the history, status, and future of communications technology.
   http://library.thinkquest.org/26890/

Hook Norton Brewery Steam Engine  
   Possibly the last working steam engine in the world. Is used to power the brewery in a town in the UK. Page gives short history, specifications and tasks accomplished by this antique machinery.
   http://www.hooknortonbrewery.co.uk/public_visitors/steam/steam_home.html

Recording Technology History  
   Discusses early people and items used to make early audio and video devices from the first record players to digital television. Includes additional resource links.
   http://history.sandiego.edu/gen/recording/notes.html

History of Mechanical Calculators  
   Covers the history of modern day adding devices from 1885 with the "Marconi Box" with rubber bands and wires to electrical motor driven machines of the 1940's. Discusses styles of computing throughout this period.
   http://www.xnumber.com/xnumber/mechanical1.htm

Westinghouse Heritage  
   A timeline that shows the inventions created by the company over the years like the light bulb and household appliances. Included are information about the founder, George Westinghouse, and world events during those periods. Requires Quicktime plugin.
   http://www.westinghouse.com/timeline.html

1881 Knight's American Mechanical Dictionary  
   Features snapshot images from a late 19th century book of terms for mechanical devices. Illustrates the state of technology during that era. Includes photos and searchable index. Most links are in DjVu format.
   http://www.PrincetonImaging.com/library/mechanical-dictionary/index.html

Echo Virtual Library  
   Database of pages about the history of science, technology, sociology, computers and medicine.
   http://echo.gmu.edu/center.php

Medieval Technology Pages  
   Medieval technology and various inventions and developments involving everyday life in the Middle Ages.
   http://scholar.chem.nyu.edu/tekpages/Technology.html

Early Stages of Soviet and American Radio Broadcasting  
   Article explores early radio broadcasting efforts by the United States and the Soviet Union.
   http://www.zeltser.com/radio-history/

History of Chinese Invention and Discovery  
   Chart of inventions and discoveries, with comparisons with their Western equivalents.
   http://www.computersmiths.com/chineseinvention/

Old scientific Instruments  
   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.
   http://www.geometricum.com/