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Thermometry - PowerPoint PPT Presentation

renee-bradshaw
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Thermometry

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  1. Thermometry Mercury Thermometer Radiation Thermometer Gas Thermometer Thermistor

  2. Galileo Thermoscope

  3. Temperature Scales Daniel Gabriel Fahrenheit (1714) Thermometric Property = Length of Column of Hg Three Fixed Points Mixture of Ice-Water-Ammonium Chloride Ice Point Body Temperature Fahrenheit Temperature Scale Anders Celsius (1742) Thermometric Property = Length of Column of Hg Two Fixed Points Ice Point Steam Point Centigrade Temperature Scale

  4. Lord Kelvin Thermometric Property = Pressure of a Gas in a Constant Volume Vessel One Fixed Point Triple Point of Water Ideal Gas Temperature Scale