Echo Project Research Center – Science, Technology, Industry http://echo.gmu.edu/ Exploring and Collecting History on Line is presently the most comprehensive portal for the history of science and technology on the Web. Includes a searchable guide to more than 5,000 websites on the history of science, technology, and industry. Not to be confused with the very valuable ECHO, European Culture and History On-Line.
Lineamenta – A Research Database for Architectural Drawings http://lineamenta.biblhertz.it/index_html.en/view Lineamenta is an on-line collection of architectural drawings from the Roman Baroque period.
The Archimedes Project - Realizing the Vision of an Open Digital Research Library for the Long-Term Study of the History of Mechanics http://echo.mpiwg-berlin.mpg.de/content/historymechanics/archimdesecho Astounding scanned library of key primary sources from ancient to early modern mechanics.
Please note that nearly all of these organization have extensive links on their websites.
SHOT – Society for the History of Technology http://shot.press.jhu.edu/ Contains extensive resources for primary documents and tutorials in the history of technology
HSS – History of Science Society http://www.hssonline.org/teach_res/ Contains extensive resources for primary documents and tutorials in the history of science
Journals in Science, Technology and Society http://www.umich.edu/~umsts/journals.html An extensive list from University of Michigan STS program – most journals without direct links can be found through the Bard library portal.
Cornell Science and Technology Magazine http://www.rso.cornell.edu/scitech/ An undergraduate journal devoted to science and technology issues