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Digital Collections

Scientific apparatus and instruments

Dropsonde

  • 1960s

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Dropsonde instruments are cylindrical metal devices containing pressure, temperature, and humidity sensors to capture atmospheric profiles and thermodynamic data. The instruments are designed to be dropped from an aircraft over a body of water to measure and track storm conditions as the device falls to the surface. The collected data is then relayed via radio transmission to a computer for weather prediction.

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  • 21 in. L x 5 in. Diameter
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  • Courtesy of Science History Institute

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Science History Institute. Dropsonde. Photograph, 2023. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/dh9h1ww.

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