File:Faraday cage at US Bureau of Standards 1925.jpg
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| Description |
English: A Faraday cage at the US National Bureau of Standards in 1925 used to protect delicate instruments from external electric fields |
| Date | Published on June 1925 |
| Source | Retrieved March 12, 2014 from Popular Radio magazine, published by Popular Radio, Inc., New York, Vol. 7, No. 6, June 1925, p. 567 on AmericanRadioHistory.com. Image credited to US National Bureau of Standards. |
| Author | Unknown author |
| Permission (Reusing this file) |
This image was produced by employees of the US National Bureau of Standards, predecessor of the National Institute of Standards and Technology (NIST), an agency of the US government. |
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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 20:34, 14 August 2014 | | 930 × 840 (106 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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