File:Atomic Clock-Louis Essen.jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Atomic_Clock-Louis_Essen.jpg (620 × 360 pixels, file size: 73 KB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

[edit]
Description
English: Louis Essen and J. V. L. Parry standing next to the world's first caesium atomic clock, developed at the UK National Physical Laboratory in 1955.
Deutsch: Louis Essen und J. V. L. Parry zeigen die erste Caesium-Atomuhr (1955)
Date
Source http://www.npl.co.uk/upload/img/essen-experiment_1.jpg
Author National Physical Laboratory

Licensing

[edit]
Public domain
This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

  1. It is a photograph taken prior to 1 June 1957; or
  2. It was published prior to 1974; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.

Deutsch ∙ English ∙ Español ∙ français ∙ italiano ∙ Nederlands ∙ polski ∙ português ∙ sicilianu ∙ slovenščina ∙ suomi ∙ Türkçe ∙ македонски ∙ русский ∙ українська ∙ മലയാളം ∙ 한국어 ∙ 日本語 ∙ 简体中文 ∙ 繁體中文 ∙ العربية ∙ +/−

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current16:53, 7 November 2016Thumbnail for version as of 16:53, 7 November 2016620 × 360 (73 KB)Tholme (talk | contribs)Higher quality from http://www.npl.co.uk/upload/img/essen-experiment_1.jpg
17:02, 21 December 2008Thumbnail for version as of 17:02, 21 December 2008274 × 169 (13 KB)Coenen (talk | contribs){{Information |Description={{en|1=Louis Essen standing next to the world's first atomic clock (1955)}} |Source=http://www.npl.co.uk/upload/img_400/atomic_clock.jpg |Author=National Physical Laboratory |Date=1955 |Permission= |other_versions= }} == Licensi

You cannot overwrite this file.

The following 2 pages use this file:

File usage on other wikis

The following other wikis use this file:

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.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Atomic_Clock-Louis_Essen.jpg&oldid=806765269"