5-Foot Free-Flight Tunnel
(L-15768): This view of the 5-Foot Free-Flight Tunnel’s outlet shows its hexagonal frame, belt-driven propeller, and outlet screen to catch errant models.
Credit: NASA
Image Number: L-15768
Date: Circa 1938
				
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			Uploaded on August 2, 2013
	
	
			
					Taken circa 1938
			
	
5-Foot Free-Flight Tunnel
(L-15768): This view of the 5-Foot Free-Flight Tunnel’s outlet shows its hexagonal frame, belt-driven propeller, and outlet screen to catch errant models.
Credit: NASA
Image Number: L-15768
Date: Circa 1938
				
					15,389
			views
	
		
					
						0
					
			faves
		
	
				
				0
			comments
	
	
			Uploaded on August 2, 2013
	
	
			
					Taken circa 1938
			
	
