File:Lodestone attracting nails.png
From Infogalactic: the planetary knowledge core
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Summary
A <a href="https://en.wikipedia.org/wiki/lodestone" class="extiw" title="wikipedia:lodestone">lodestone</a>, a piece of the mineral <a href="https://en.wikipedia.org/wiki/magnetite" class="extiw" title="wikipedia:magnetite">magnetite</a> that is a natural magnet, from 1921 electrical engineering book. The caption of the picture said: "Natural magnet attracting iron nails".
Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:45, 16 January 2017 | 532 × 668 (114 KB) | 127.0.0.1 (talk) | A <a href="https://en.wikipedia.org/wiki/lodestone" class="extiw" title="wikipedia:lodestone">lodestone</a>, a piece of the mineral <a href="https://en.wikipedia.org/wiki/magnetite" class="extiw" title="wikipedia:magnetite">magnetite</a> that is a natural magnet, from 1921 electrical engineering book. The caption of the picture said: "Natural magnet attracting iron nails". |
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File usage
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