Louis Essen: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Sep 02, 2025 | ||
| Anniversary information added. | Aug 20, 2025 | ||
| First paragraph modernization. | Feb 29, 2024 | ||
| Invalidated site: Sciencemuseum - Atomic Clock. | Nov 14, 2017 | ||
| Add new Web site: National Physical Laboratory - Biography of Louis Essen. | Jul 23, 2015 | ||
| Article revised. | Oct 08, 1998 | ||
| Article added to new online database. | Jul 20, 1998 |
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