File:Meyers b7 s0030 b4.png

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Meyers_b7_s0030_b4.png (371 × 351 pixels, file size: 39 KB, MIME type: image/png)

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Deutsch: Illustration zum Artikel „Geißlersche Röhre“
  • A – Röhre mit verdünnter Luft
  • B – Röhre bis auf ein Milliontel Atmosphäre ausgepumpt
  • a – schalenförmige negative Elektrode
  • b,c,d, – positive Elektroden
Date circa 1885
date QS:P,+1885-00-00T00:00:00Z/9,P1480,Q5727902
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: Meyers b7 s0030.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
current22:23, 9 March 2018Thumbnail for version as of 22:23, 9 March 2018371 × 351 (39 KB)Mapmarks (talk | contribs){{Information |description={{de|1=Illustration zum Artikel „Geißlersche Röhre“ * A – ''Röhre mit verdünnter Luft'' * B – ''Röhre bis auf ein Milliontel Atmosphäre ausgepumpt'' * a – ''schalenförmige negative Elektrode'' * b,c,d, – ''positive Elektroden'' }} |source={{Extracted from|Meyers b7 s0030.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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