Testing thermometers, 1918

Testing thermometers, 1918

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Caption: Testing thermometers. Several thermometers are being analysed simultaneously using laboratory testing equipment. The thermometers (centre) are arranged in a circular cage and lowered into an electrically heated water bath. The readings from these are then compared with the standard laboratory thermometer. Photographed at the National Physical Laboratory, Teddington, UK, in 1918.

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Keywords: 1900s, 1918, 20th century, black-and-white, britain, british, calibrating, england, english, equipment, historical, history of science, industrial, industry, lab, laboratory, mathematical, mathematics, measurement, monitoring, monochrome, national physical laboratory, npl, people, person, physical, physics, research, technological, technology, teddington, testing, thermometer, thermometers, uk, united kingdom

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