Image:Surface Friction Tester.jpg

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A NASA Surface Friction Tester at Langley Air Force Base. From Runway Friction and Tire Technology.

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This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

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The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
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All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use. [2]
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	Date/Time	Dimensions	User	Comment
current	12:38, 25 September 2007	550×308 (142 KB)	Smurrayinchester	(A w:NASA Surface Friction Tester at w:Langley Air Force Base. From [http://oea.larc.nasa.gov/PAIS/Concept2Reality/runway_friction.html Runway Friction and Tire Technology].)

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Image:Surface Friction Tester.jpg

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