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NOAA Photo Library Image - wea03642

German radiosonde RS-3 showing wet bulb thermometer and vacuum bottle for the pressure element. The radiation shields stand aside for display. Volume 3, No. 1 of the Army Air Forces Weather Service Bulletin, p. 1.

Image ID: wea03642, NOAA's National Weather Service (NWS) Collection
Credit: Headquarters Weather Wing Army Air Forces; Courtesy of the family of Nels Johnson, United States Weather Bureau (dec.)

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Last Updated:
November 10, 2017