File:NavigationResearch 020.jpg

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Original file (3,199 × 5,260 pixels, file size: 15.1 MB, MIME type: image/jpeg)

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Summary

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Description Developed at NBS for the U. S. Army Air Service.
Source National Institute of Standards and Technology
Author National Institute of Standards and Technology
Permission
(Reusing this file)
Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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Licensing

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Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

العربية ∙ English ∙ 日本語 ∙ македонски ∙ Nederlands ∙ +/−

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Date/TimeThumbnailDimensionsUserComment
current16:32, 6 March 2014Thumbnail for version as of 16:32, 6 March 20143,199 × 5,260 (15.1 MB)NISTResearchLibrary (talk | contribs)

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