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photometer: References & Edit History

More Articles On This Topic

Assorted References

history of solar cells
- In solar cell: Development of solar cells

Article Contributors

Primary Contributors

The Editors of Encyclopaedia Britannica

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	Add new Web site: Virtual Museum Canada - Canada Under Stars - Photometer.	Grace Young	Sep 24, 2015
	Added new Web site: Instruments for Natural Philosophy - Photometer.	Deepti Mahajan	Apr 10, 2008
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998