File:NSRW Magnetic wave detector.jpg
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Summary
[edit]DescriptionNSRW Magnetic wave detector.jpg |
English: Diagram of magnetic wave detector for wireless telegraphy. |
Date | |
Source | The New Student's Reference Work |
Author | Unknown authorUnknown author |
Licensing
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This file has been extracted from an original image in The New Student's Reference Work: File:LA2-NSRW-4-0433.jpg. |
Public domainPublic domainfalsefalse |
The author died in 1936, 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 80 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. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:40, 30 October 2015 | 693 × 626 (54 KB) | BMacZero (talk | contribs) | File:LA2-NSRW-4-0433.jpg cropped 63 % horizontally and 78 % vertically using CropTool with lossless mode. |
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