File:Lodestone attracting nails.png
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[edit]DescriptionLodestone attracting nails.png | |
Date | |
Source | Downloaded 2008-11-04 from Fred Anzley Annet (1921) Electrical Machinery: A practical study course on installation, operation, and maintenance, 1st Ed., McGraw-Hill, New York, p.11, fig.3 on Google Books |
Author | Fred Anzley Annet |
Permission (Reusing this file) |
Public Domain in USA - published in USA prior to 1923 |
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[edit]Public domainPublic domainfalsefalse |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:43, 3 May 2021 | 532 × 668 (181 KB) | Materialscientist (talk | contribs) | FFT | |
05:05, 22 June 2009 | 532 × 668 (114 KB) | Chetvorno (talk | contribs) | {{Information |Description={{en|A Wikipedia:lodestone, a stone that is a natural magnet, from 1922 electrical engineering book. The caption of the picture said: "Natural magnet attracting iron nails".}} |Source=Downloaded 2008-11-04 from [http:/ |
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File change date and time | 14:42, 3 May 2021 |
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