gyrocompass: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Added a photograph of a gyrocompass. | Aug 21, 2019 | ||
| Article revised and updated. | Mar 12, 2019 | ||
| Add new Web site: History of Compass - Gyrocompass - History and Usage. | Jun 13, 2018 | ||
| Add new Web site: The Franklin Institute - Case Files: Elmer A. Sperry (Gyroscopic Compass). | Jun 13, 2018 | ||
| Add new Web site: San Francisco Maritime National Park Association - Theory of the Gyrocompass. | Jun 13, 2018 | ||
| New article added. | Jul 13, 2017 |
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