
Sump Pumps in new Altitude Wind Tunnel Pump House
Three of four sump pumps inside the Circulating Water Pump House (12/10/1951).
Image Credit: NASA
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https://www.nasa.gov/image-detail/grc-2007-c-02591/
Image CreditNASA
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Three of four sump pumps inside the Circulating Water Pump House (12/10/1951).