File:Atomic Clock009.jpg
Original file (5,741 × 4,551 pixels, file size: 17.73 MB, MIME type: image/jpeg)
Captions
Summary[edit]
DescriptionAtomic Clock009.jpg | The sixth generation of atomic frequency standards at NBS, NBS-6 is 6 meters long and provides a frequency reference with an accuracy better than one part in 10^13. When operated as a clock, this device keeps time with an accuracy of about 3 millionths of a second per year. It is part of the NBS Atomic Time System which provides the national standard unit of time interval. | ||||
Source | National Institute of Standards and Technology | ||||
Author | National Institute of Standards and Technology | ||||
Permission (Reusing this file) |
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Licensing[edit]
Public domainPublic domainfalsefalse |
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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:17, 14 March 2014 | 5,741 × 4,551 (17.73 MB) | NISTResearchLibrary (talk | contribs) |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title |
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Author | National Institute of Standards and Technology |
Copyright holder |
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Headline | National Institute of Standards and Technology |
Source | Atomic Clock Photographic Collection |
Short title |
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Width | 4,551 px |
Height | 5,741 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 600 dpi |
Vertical resolution | 600 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 10:30, 14 March 2014 |
Exif version | 2.21 |
Color space | Uncalibrated |
Unique ID of original document | 8D754EAF54059FED328740FDCB4F0532 |
Date metadata was last modified | 06:30, 14 March 2014 |
Date and time of digitizing | 06:57, 13 March 2014 |
Keywords | Atomic clocks--Photograph collections. |
Contact information | library@nist.gov
100 Bureau Dr, MS 2500 Gaithersburg, MD, 20899 |
IIM version | 4 |