photometer: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: Virtual Museum Canada - Canada Under Stars - Photometer. | Sep 24, 2015 | ||
| Added new Web site: Instruments for Natural Philosophy - Photometer. | Apr 10, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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