vol.079：From Galileo to Fahrenheit
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vol.079：From Galileo to Fahrenheit
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The provided sources chronicle the evolution of thermometry, tracing the shift from subjective sensory perceptions to precise, quantitative measurements between the 16th and 18th centuries. Early attempts began with Galileo’s open-air thermoscope, which was revolutionary but suffered from significant inaccuracies due to atmospheric pressure fluctuations. Subsequent advancements included Amontons’ work on gas pressure and Ferdinand II’s invention of the sealed alcohol thermometer, which isolated the device from the environment. The development reached a pinnacle with Daniel Gabriel Fahrenheit, who utilized mercury and a standardized scale to achieve unprecedented accuracy and reproducibility. Collectively, these documents highlight how the mercury thermometer became the definitive tool for scientific, industrial, and medical progress. While modern technology is now moving toward electronic alternatives, these texts emphasize that early innovations established the foundational principles for measuring temperature as a physical quantity.