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exploring and collecting history online — science, technology, and industry
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Wernwag, Palmer and the Earliest Pennsylvania Covered Bridges
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Engineering
Images
Modern (18th-20th Century)
Personal
Secondary Source
Bridge Signs
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Artifacts
Contemporary (Post-WWII)
Engineering
Images
Modern (18th-20th Century)
Personal
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Computers/Information Technology
Consumer Technology
Contemporary (Post-WWII)
Links
Personal
Secondary Source
Before the Web
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Computers/Information Technology
Consumer Technology
Contemporary (Post-WWII)
Personal
Primary Source
The WWW Virtual Library
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Ancient (BCE-40 CE)
Aviation/Space Exploration
Computers/Information Technology
Consumer Technology
Contemporary (Post-WWII)
Early Modern (15th-18th Century)
Earth Sciences
Engineering
Industrial/Military Technology
Life Sciences
Links
Mathematics
Medicine/Behavioral Science
Middle Ages (5th-15th Century)
Modern (18th-20th Century)
Personal
Philosophy of Science
Physical Sciences
Primary Source
Secondary Source
Florentino Ameghino (1854-1911)
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Images
Life Sciences
Links
Modern (18th-20th Century)
Personal
Classic Chemistry
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Links
Personal
University
String Theory History
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Contemporary (Post-WWII)
Early Modern (15th-18th Century)
Educational
Links
Mathematics
Modern (18th-20th Century)
Personal
Philosophy of Science
Physical Sciences
Secondary Source
Bell System Memorial
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Artifacts
Computers/Information Technology
Consumer Technology
Contemporary (Post-WWII)
Images
Industrial/Military Technology
Links
Modern (18th-20th Century)
Personal
Primary Source
Secondary Source
History of Engineering
Submitted by Anonymous on Thu, 11/08/2007 - 20:22.
Ancient (BCE-40 CE)
Computers/Information Technology
Consumer Technology
Contemporary (Post-WWII)
Early Modern (15th-18th Century)
Engineering
Industrial/Military Technology
Middle Ages (5th-15th Century)
Modern (18th-20th Century)
Personal
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