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Camera Obscura vs.Camera Lucida–Distinguishing Early Nineteenth Century Modes of Seeing
Camera Obscura Camera Lucida Distinguishing Early Nineteenth Century Modes
2015/3/26
Camera Obscura vs.Camera Lucida–Distinguishing Early Nineteenth Century Modes of Seeing.
John Fryer: The Introduction of Western Chemistry into Nineteenth Century China
Western Chemistry Nineteenth Century China
2014/3/12
261. Chemical Equivalents.- The proportions, or quantities by weight, in which different substances unite to form definite chemical compounds, are called Chemical Equivalents (from cequus, equal, and ...
Midwives and their Role in the Reduction of Direct Obstetric Deaths during the late Nineteenth Century：The Sundsvall Region of Sweden (1860–1890)
Midwives Direct Obstetric Deaths Sundsvall Region
2009/1/5
Maternal mortality remains a cause of legitimate concern in developing parts of the world where rates often exceed 650 per 100,000 live births—at least twenty times higher than in the developed world,...
Angina Pectoris and the Arnolds：Emotions and Heart Disease in the Nineteenth Century
Angina Pectoris Heart Disease Arnolds Nineteenth Century
2008/12/31
The Case of Thomas Arnold of RugbyOn the evening of Saturday 11 June 1842, Thomas Arnold, the educational reformer and Headmaster of Rugby school, strolled in the institutional gardens with his head b...
History of Science in the United States. Research Aids for the Nineteenth Century
美国科学史 19世纪
2007/12/27
It is a personal website about History of Science in the United States,Created and Maintained by Clark A. Elliott Belmont, MA..It includes:Antebellum American Science: A Thematic (and Somewhat Bibliog...