Category:Optical variables measurement: Difference between revisions

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IEEE GHN Category
IEEE GHN Category
[[Image:Optical Variables Measurements Yerkes 40 inch Refractor Telescope 1897.jpg|thumb|right| A 1897 photo of The 40 inch refractor telescope at the Yerkes Observatory]]
[[Image:Optical Variables Measurements Yerkes 40 inch Refractor Telescope 1897.jpg|thumb|right| A 1897 photo of the 40 inch refractor telescope at the Yerkes Observatory]]


[[Category:Measurement|{{PAGENAME}}]]
[[Category:Measurement|{{PAGENAME}}]]

Revision as of 16:30, 14 March 2012

IEEE GHN Category

A 1897 photo of the 40 inch refractor telescope at the Yerkes Observatory

Media in category "Optical variables measurement"

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