
Installation of a test chamber at the Propulsion Systems Laboratory (PSL) No. 3 and 4 facility.
Installation of one of the two new 24-foot-diameter test chambers at the Propulsion Systems Laboratory (PSL) No. 3 and 4 facility. (8/1/1969)
Image Credit: NASA/MARTIN BROWN
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https://www.nasa.gov/image-detail/grc-1969-c-02672/
Image CreditNASA/MARTIN BROWN
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