Large mass balance

Large mass balance

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Credit: NATIONAL PHYSICAL LABORATORY (c) CROWN COPYRIGHT/ SCIENCE PHOTO LIBRARY

Caption: Large mass balance. These weights are of a high accuracy, and are used to calibrate other weights. Photographed in the Metrology Division at the National Physical Laboratory, Teddington, UK.

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Keywords: 1900s, 20th century, apparatus, balance, black-and-white, britain, british, calibration, england, english, equipment, europe, european, experimental, heavy, historical, history, history of science, laboratory, large, london, measurement, metrology, metrology division, monochrome, national physical laboratory, npl, physics, research, standard, technological, technology, teddington, uk, united kingdom, weight, weights, weights and measures

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