Image:L-interferrenz.png

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Lueger 1904
  • en: This image comes from the Lexikon der gesamten Technik (dictionary of technology) from 1904 by Otto Lueger.
  • de: Die Abbildung stammt aus dem Lexikon der gesamten Technik (1904) von Otto Lueger. Der Wissensstand von damals kann inzwischen überholt sein.

Der Scan stammt aus der digitalen Ausgabe von Directmedia mit freundlicher Erlaubnis des Verlages.
Public domain This image (or other media file) is in the public domain because its copyright has expired.

This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.

Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement that rule of the shorter term.

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File history

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Date/TimeDimensionsUserComment
current17:16, 5 November 2005571×400 (20 KB)Kolossos ({{Lueger}} Category:Lueger )
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