File:Atomic Clock045.jpg
![File:Atomic Clock045.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/39/Atomic_Clock045.jpg/775px-Atomic_Clock045.jpg?20140314152619)
Original file (6,252 × 4,837 pixels, file size: 23.59 MB, MIME type: image/jpeg)
Captions
Captions
Summary
[edit]DescriptionAtomic Clock045.jpg | One of the two cesium beam frequency standards that were in operation, making it possible to refer the national standard of frequency to an atomic resonance. It was accurate to within 1.5 parts in 10. | ||||
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 |
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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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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:26, 14 March 2014 | ![]() | 6,252 × 4,837 (23.59 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 | 4,837 px |
Height | 6,252 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 | 10:35, 14 March 2014 |
Exif version | 2.21 |
Color space | Uncalibrated |
Unique ID of original document | 09A485A3B0B8A105C89B500F79669C46 |
Date metadata was last modified | 06:35, 14 March 2014 |
Date and time of digitizing | 06:58, 13 March 2014 |
Keywords | Atomic clocks--Photograph collections. |
Contact information | library@nist.gov
100 Bureau Dr, MS 2500 Gaithersburg, MD, 20899 |
IIM version | 4 |