File:Heinrich Hertz.jpg

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Deutsch: Porträt Heinrich Hertz, Fotografie von Robert Krewaldt, Bonn Veröffentlich bzw. erstellt von "Washington, D.C.: Underwood & Underwood", nachbearbeitet / Lizenz: Public Domain
Date 1915; image first published 1894 at the latest
Source http://memory.loc.gov
Author Robert Krewaldt
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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.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
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Date/TimeThumbnailDimensionsUserComment
current19:27, 9 September 2011Thumbnail for version as of 19:27, 9 September 2011742 × 960 (236 KB)1970gemini (talk | contribs)Quality-Update
12:10, 24 July 2011Thumbnail for version as of 12:10, 24 July 2011742 × 960 (167 KB)Materialscientist (talk | contribs)denoise, contrast
01:32, 1 September 2005Thumbnail for version as of 01:32, 1 September 2005742 × 960 (136 KB)Mschlindwein (talk | contribs)Porträt Heinrich Hertz Quelle/Source: *http://memory.loc.gov/cgi-bin/query/D?berl:66:./temp/~ammem_OuWV::@@@mdb=manz,eaa,aaeo,aaodyssey,hh,gottscho,bbpix,bbcards,magbell,berl,lbcoll,cdn,cic,cwnyhs,cwar,consrvbib,coolbib,coplandbib,curt,dag,fsaall,aep,fi

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