File:Lodestone attracting nails.png

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Summary

Description
English: A lodestone, a piece of the mineral magnetite that is a natural magnet, from 1921 electrical engineering book. The caption of the picture said: "Natural magnet attracting iron nails".
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

Licensing

Public domain
Public domain
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.

United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

Captions

Lodestone, a natural magnet 🧲

Items portrayed in this file

depicts

File history

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Date/TimeThumbnailDimensionsUserComment
current14:43, 3 May 2021Thumbnail for version as of 14:43, 3 May 2021532 × 668 (181 KB)wikimediacommons>MaterialscientistFFT

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