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This history of the thermometer includes controversy about its invention, the story of different scales, Fahrenheit and centigrade, and the history of the gradual scientific then popular understanding of the concept of temperature. Not until 1800 did people interested in thermometers begin to see clearly what they were measuring, and the impetus for improving thermometry came largely from study of the weather--the liquid-in-glass thermometer became the meteorologist's instrument before that of the chemist or physicist. This excellent introductory study follows the development of indicating...

For two centuries the barometer has been an indispensable laboratory instrument. Yet, despite its revolutionary influence on science, W. E. Knowles Middleton here offers the first complete history of the barometer as a scientific tool.

Middleton relies on research from Western European documents and manuscripts of the seventeenth and eighteenth centuries. He begins his story with a pre-history of the barometer, the Torricellian experiment, the subsequent experiments and controversies in the 1640s, and the barometric experiments during the remainder of the century.

Later...