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Sir Alfred Ewing: References & Edit History
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- seismograph development
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Mar 23, 2024 | ||
| First paragraph modernization. | Mar 01, 2024 | ||
| Anniversary information added. | Jan 03, 2024 | ||
| Modified link of Web site: Undiscovered Scotland - Biography of James Alfred Ewing. | Apr 19, 2018 | ||
| Added "Sir James Alfred Ewing" as a title variant. | Jun 04, 2012 | ||
| Article added to new online database. | Jul 20, 1998 |
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