File:Groundbreaking for the NACA’s Aircraft Engine Research Laboratory.jpg
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![File:Groundbreaking for the NACA’s Aircraft Engine Research Laboratory.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Groundbreaking_for_the_NACA%E2%80%99s_Aircraft_Engine_Research_Laboratory.jpg/800px-Groundbreaking_for_the_NACA%E2%80%99s_Aircraft_Engine_Research_Laboratory.jpg?20230128141629)
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Categories:
- Aircraft Engine Research Laboratory
- Black and white photographs of Cleveland, Ohio
- Black and white photographs of men wearing hats in the United States
- Black and white photographs of the United States in the 1940s
- Groundbreaking ceremonies in Ohio
- Men of the United States in 1941
- Men wearing hats in Ohio
- 1941 black and white portrait photographs of men
- 1941 in Cleveland
- 20th-century black and white group portrait photographs of men
- 20th-century black and white portrait photographs of standing men at full length
- Edward R. Sharp
- George W. Lewis