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A Short Account Of Experiments And Instruments: Depending On The Relations Of Air To Heat And Moisture - Softcover

John Leslie

 
9780461877663: A Short Account Of Experiments And Instruments: Depending On The Relations Of Air To Heat And Moisture

Synopsis

A Short Account Of Experiments And Instruments: Depending On The Relations Of Air To Heat And Moisture by John Leslie provides a compact, systematic exploration of how air interacts with heat and moisture. The work surveys the idea that heat behaves as a subtle, active fluid that diffuses through solids, liquids, and gases, and it traces how heat exchange accompanies phase changes, dissolution, and the absorption or release of latent energy. Leslie describes how different substances expand or contract with temperature, how evaporation cools surfaces, and how atmospheric moisture governs clouds, dew, rain, and snow. The text introduces a suite of instruments—hygrometers to gauge humidity, atmometers to measure evaporation, hygroscopes to detect moisture absorption, differential thermometers to sense tiny temperature differences, and photometers and pyroscopes to study light and heat pulses. It also discusses practical refrigeration concepts, air cooling, and meteorological phenomena like convection and the formation of clouds and rain. The author links these discoveries to broader scientific aims, agriculture, medicine, and industry, emphasizing the dynamic interplay of heat and moisture in climate and technology.

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