John Percy: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Mar 19, 2026 | ||
| Anniversary information added. | Jun 15, 2025 | ||
| First paragraph modernization. | May 01, 2024 | ||
| Invalidated site: Science Museum - Percy Collection of Metallurgy. | Nov 16, 2017 | ||
| Photograph added. | Dec 19, 2013 | ||
| Add new Web site: Science Museum - Percy Collection of Metallurgy. | Aug 11, 2013 | ||
| New article added. | Apr 29, 2009 |
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