The Atmosphere

Air and Air Pressure

Who introduced use of the millibar to measure air pressure?

English meteorologist William Napier Shaw (1854–1945) was one of the leading scientists in his field and former director of Britain’s Meteorological Office from 1905 to 1920. He suggested that air pressure be measured in millibars in 1909, but it was not adopted as an international standard until 1929.


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