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![Exploring the upper air wea01167.jpg Exploring the upper air](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea01167.jpg?itok=FQQnrZFj)
Description
Exploring the upper air. Left: Beginning of a pilot balloon flight. Right:Sending up a sounding balloon. Note the parachute which wafts the basket ofinstruments gently to the ground after the balloon bursts. In: Meteorologyby Charles F. Talman, 1922. Library Call Number M T151m. (Image credit: U. S. Weather Bureau)