Molten steel temperature measurements. Quick immersion thermocouple being used to measure the temperature of liquid steel in an electric-arc furnace.

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Molten steel temperature measurements. Quick immersion thermocouple being used to measure the temperature of liquid steel in an electric-arc furnace. This work was carried out by the Physics Division of the UK's National Physical Laboratory.

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Photo credit: © NATIONAL PHYSICAL LABORATORY © CROWN COPYRIGHT/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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