File:Nbs-4.jpg
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Nbs-4.jpg (425 × 203 pixels, file size: 26 KB, MIME type: image/jpeg)
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| Description |
English: Atomic Clock NBS-4 (1968) |
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| Source | http://tf.nist.gov/general/museum/nbs-4.jpg | |||
| Author | National Institute of Standards and Technology - Physics Laboratory: Time and Frequency Division | |||
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:01, 21 December 2008 | | 425 × 203 (26 KB) | Coenen (talk | contribs) | {{Information |Description={{en|1=Atomic Clock NBS-4 (1968)}} |Source=http://tf.nist.gov/general/museum/nbs-4.jpg |Author=National Institute of Standards and Technology - Physics Laboratory: Time and Frequency Division |Date= |Permission= |other_versions= |
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