
Construction of the massive primary cooler for the new Propulsion Systems Laboratory (PSL) No. 3 and 4 facility.
Construction of the massive primary cooler for the new Propulsion Systems Laboratory (PSL) No. 3 and 4 facility. The Engine Test Building is in the background to the right. (11/17/1969)
Image Credit: NASA/MARTIN BROWN
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https://www.nasa.gov/image-detail/grc-1969-c-03898/
Image CreditNASA/MARTIN BROWN
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