http://www.nature.com/scientificamerican/archive/index.html
Now available: 1845-1909 archive collection
Free access - extended through December 31st, 2011
Now through December 31, 2011, you and your patrons will enjoycomplimentary access to more than 75,000 articles from classic issues featured in the Scientific American 1845-1909 archive collection. This collection is a treasure trove that includes 65 years of scientifichistory, breakthroughs, inventions, and triumphs.
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