books.google.co.jp - Science and technology are central to history of the United States, and this is true of the Colonial period as well. Although considered by Europeans as a backwater, the people living in the American colonies had advanced notions of agriculture, surveying, architecture, and other technologies. In areas...http://books.google.co.jp/books/about/Science_And_Technology_in_Colonial_Ameri.html?hl=ja&id=Af5kC1XYUy4C&utm_source=gb-gplus-shareScience And Technology in Colonial America
