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File:Heinrich Kayser.jpg

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English: Heinrich Kayser, German physicist and spectroscopist
Date
Source Bavarian Academy of Sciences and Humanities
Author Bavarian Academy of Sciences and Humanities

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current20:43, 31 August 2014Thumbnail for version as of 20:43, 31 August 2014251 × 350 (10 KB)InfoDataMonger (talk | contribs)User created page with UploadWizard

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