File:Lifting electromagnet cross section.png
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Summary
| Description |
English: Drawing of an industrial lifting electromagnet made by Cutler-Hammer, showing construction, from a 1914 book on electricity. The magnet is disk shaped, and the drawing is a section through the axis. The labelled parts are identified in the text as: (A,B) wires from DC power source, (C) windings made of flat copper strip insulated with mica and asbestos, (D) thick iron casing wrapping around the windings that forms the magnetic circuit. The thick core in the center forms one pole of the magnet, and the thinner circular rim on the outside forms the other pole. Alterations to image: rotated slightly to correct scanning error, replaced hard to read part labels with colored labels, added second righthand C label, erased some compression artifacts in the surrounding whitespace, converted to PNG. |
| Date | |
| Source | Downloaded 2009-02-10 from Cyril Methodius Jansky (1914) Elementary Magnetism and Electricity, McGraw-Hill, New York, p.57, fig.45 on Google Books. |
| Author | Cyril Methodius Jansky |
| Permission (Reusing this file) |
Public domain in US - published in US prior to 1923 |
Licensing
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:10, 13 February 2009 | | 701 × 322 (42 KB) | wikimediacommons>Chetvorno | {{Information |Description={{en|Drawing of an industrial lifting electromagnet made by Cutler-Hammer, showing construction, from a 1914 book on electricity. The magnet is disk shaped, and the drawing is a section through the axis. The labelled parts are |
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