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File:Radioskop 1926.png

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Radioskop_1926.png(800 × 571 pixels, file size: 573 KB, MIME type: image/png)

Summary

Description
English: It is the 10th page of Kálmán Tihanyi's Radioskop patent in 1926
It is part of UNESCO's Memory of the World archive
Date
Source http://www.unesco.org/new/en/kalman-tihanyis-1926-patent-application-radioskop
Author Kálmán Tihanyi (1897-1947)

Licensing

Public domain

The author died in 1947, so 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 75 years or fewer.


You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 75 years: Mexico has 100 years, Jamaica has 95 years, and Colombia has 80 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term.

File history

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Date/TimeThumbnailDimensionsUserComment
current10:16, 22 September 2009Thumbnail for version as of 10:16, 22 September 2009800 × 571 (573 KB)Sitkur1990{{Information |Description={{en|1=It is the 10th page of Kálmán Tihanyi's Radioskop patent in 1926}} |Source=Kálmán Tihanyi |Author=Sitkur1990 |Date=1926 |Permission= |other_versions= }} Category:History of technology
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