![Man with exhibit.](https://www.nasa.gov/wp-content/uploads/2024/06/grc-1957-c-46138.jpg)
DISPLAY AND COKE STOPS AT 1957 INSPECTION
A researcher with the hypersonic propulsion exhibit for the 1957 NACA Lewis Inspection in the Propulsion Systems Laboratory.
Image Credit: NASA
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https://www.nasa.gov/image-detail/grc-1957-c-46138/
Image CreditNASA
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