Atomic_Clock-Louis_Essen.jpg (620 × 360 pixels, file size: 73 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:53, 7 November 2016 |
![]() | 620 × 360 (73 KB) | Tholme | Higher quality from http://www.npl.co.uk/upload/img/essen-experiment_1.jpg |
17:02, 21 December 2008 |
![]() | 274 × 169 (13 KB) | Coenen | {{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 |
The following other wikis use this file:
Atomic_Clock-Louis_Essen.jpg (620 × 360 pixels, file size: 73 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:53, 7 November 2016 |
![]() | 620 × 360 (73 KB) | Tholme | Higher quality from http://www.npl.co.uk/upload/img/essen-experiment_1.jpg |
17:02, 21 December 2008 |
![]() | 274 × 169 (13 KB) | Coenen | {{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 |
The following other wikis use this file: