planimeter: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Deleted Web site: Hatchet Planimeter. | Sep 29, 2013 | ||
| Media added. | Sep 12, 2008 | ||
| Added new Web site: Mathematical Instruments - Planimeter. | Apr 22, 2008 | ||
| Added new Web site: Whistler Alley Mathematics - The Planimeter. | Apr 22, 2008 | ||
| Added new Web site: Lasico - Mechanical planimeter. | Apr 22, 2008 | ||
| Added new Web site: UvA Computer Museum - Polar planimeter. | Apr 22, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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