File:Meyers b7 s0032 b2.png

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Meyers_b7_s0032_b2.png ‎(197 × 439 pixels, file size: 25 KB, MIME type: image/png)

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Deutsch: Illustration zum Artikel „Geißlersche Röhre“
  • a – schalenförmiger negativer Pol
  • b – Iridio-Platin
Date circa 1885
date QS:P,+1885-00-00T00:00:00Z/9,P1480,Q5727902
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: Meyers b7 s0032.jpg
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Author Unknown authorUnknown author

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Meyers Konversations-Lexikon
Meyers Konversations-Lexikon
 This image comes from the 4th edition of Meyers Konversationslexikon (1885–90). The copyrights have expired and this image is in the public domain.
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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 100 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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Date/TimeThumbnailDimensionsUserComment
current22:37, 9 March 2018Thumbnail for version as of 22:37, 9 March 2018197 × 439 (25 KB)Mapmarks (talk | contribs){{Information |description={{de|1=Illustration zum Artikel „Geißlersche Röhre“ * a – ''schalenförmiger negativer Pol'' * b – ''Iridio-Platin'' }} |source={{Extracted from|Meyers b7 s0032.jpg}} |date={{other date|ca|1885}} |author={{unknown|author}} |permission= |other_versions= }} == {{int:license-header}} == {{PD-Meyers}} Category:Images from Meyers Konversationslexikon 4th edition - text figures Category:Gas discharge tube

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