File:Kirchhoffs improved spectroscope.jpg

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Kirchhoffs_improved_spectroscope.jpg ‎(631 × 528 pixels, file size: 233 KB, MIME type: image/jpeg)

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Description Kirchhoff working with his improved spectroscope
Date
Source Historisk Fysik bind I
Author Poul la Cour & Jacob Appel

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Public domain

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current12:42, 14 October 2007Thumbnail for version as of 12:42, 14 October 2007631 × 528 (233 KB)Saddhiyama (talk | contribs){{Information |Description=Kirchhoff working with his improved spectroscope |Source=Historisk Fysik bind I |Date=1896 |Author=Poul la Cour & Jacob Appel |Permission= |other_versions= }} Category:Optics Category:History of technology

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