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Exemples monolingues (non-vérifiés par l'équipe de rédaction)

anglais
The development of hydrometers and thermometers changed brewing by allowing the brewer more control of the process, and greater knowledge of the results.
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He studied new hydrometers (to measure the level of a river), rain gauges, and hydraulic operations over rivers.
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He wrote on the use of hydrometers to measure sugar and alcohol content of liquids, and wrote a treatise on electricity.
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Although ethylene glycol hydrometers are widely available and mass-marketed for antifreeze testing, they give false readings at high temperatures because specific gravity changes with temperature.
en.wikipedia.org
Innovations, like thermometers and hydrometers, allowed increases in efficiency.
en.wikipedia.org

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