File:PSM V89 D658 Magnet Made from Two Discarded Cannons.png
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Summary
| Description |
English: Two 15-inch Civil War cannon converted into an electromagnet which is so powerful that it takes a force of twenty-five thousand pounds to pull off the armature |
| Date | July 1916 |
| Source | https://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_89.djvu/658 |
| Author | Publisher Popular Science Monthly |
Licensing
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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.
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Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:12, 28 February 2023 | | 788 × 1,139 (377 KB) | Sp1nd01 | Uploaded a work by Publisher Popular Science Monthly from https://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_89.djvu/658 with UploadWizard |
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