Pyrometry: A Practical Treatise on the Measurement of High Temperatures (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Pyrometry: A Practical Treatise on the Measurement of High Temperatures

The year 1822 was also marked by Seebeck's discovery of thermo-electricity. The generation of a current of electricity by a heated junction of two metals, increasing with the temperature, appeared to afford a simple and satisfactory basis' for a pyrometer, and Becquerel constructed an instrument on these lines in 1826. Pouillet and others also endeavoured to measure temperatures by the thermo-electric method, but partly owing to the use of unsuitable junctions, and partly to the lack of reliable galvanometers, these workers failed to obtain concordant results. The method was for all practical purposes abandoned until 1886, when its revival in reliable form led to the enormous extension of the use of pyrometers witnessed during recent years.

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