The abundant and varied sources for the history of science over two and a half crucial centuries are described in this book. Focusing on the physical sciences in Great Britain, Mr. Knight surveys the material available, offers assessments of its uses, and warns of its possible misuses. He examines written sources, both technical and non-technical, and laboratory equipment, industrial apparatus, scale-models, and other evidence that has survived from the period between the rise of the scientific societies in the 1660’s and the beginning of World War I. Identifying the kinds of questions that the sources cannot answer, he guides the reader to the wide range of general questions they can answer. Throughout, Mr. Knight argues that the sources for the history of science are as valuable as those for other branches of history in shedding light on the social, economic, and political history of a period or a nation.

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