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File:Fraunhofer spectroscope.JPG

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Summary

Description Joseph von Fraunhofer demonstrating the spectroscope. On left Joseph von Utzschneider, on right Georg Friedrich von Reichenbach. Photogravure from a painting by Richard Wimmer.
Date
Source "Essays in astronomy" - D. Appleton & company, 1900 (LCCN 00004435)
Author Richard Wimmer

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Date/TimeThumbnailDimensionsUserComment
current09:37, 7 June 2022Thumbnail for version as of 09:37, 7 June 20221,685 × 1,325 (340 KB)0m9EpBrightness, color
04:51, 14 January 2008Thumbnail for version as of 04:51, 14 January 20081,685 × 1,325 (335 KB)Mu301{{Information |Description= Franuhofer demonstrating the spectroscope. Photogravure from a painting by Richard Wimmer. |Source= "Essays in astronomy" - D. Appleton & company, 1900 (w:LCCN 00004435) |Date= |Author= Richard Wimmer |Permission= |other_v

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