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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Details
Creative#:
TOP03229297
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
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N/A
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N/A
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No
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