File:Faraday cage at US Bureau of Standards 1925 - front.jpg

From testwiki
Jump to navigation Jump to search
    Original file (495 × 426 pixels, file size: 58 KB, MIME type: image/jpeg)

    This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

    Summary

    Description
    English: A Faraday cage from 1925 at the Radio Laboratory, Washington D.C. of the US Bureau of Standards (now NIST) to shield sensitive experiments against electromagnetic fields. It consists of an enclosure surrounded by fine copper screen.
    Date
    Source Retrieved 9 June 2025 from Snyder, Wilbert F. ; Bragaw, Charles L. (1986) Achievement in Radio: Seventy years of radio science, technology, standards, and measurement at the National Bureau of Standards, US Dept. of Commerce, p.64 archived on worldradiohistory.com
    Author Wilbert F. Snyder and Charles L. Bragaw
    Other versions Faraday cage at US Bureau of Standards 1925.jpg

    Licensing

    Public domain
    This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Federal Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
    This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

    Public domain
    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.
    Warning: this does not include Standard Reference Data, as per Standard Reference Data Act (P.L. 90-396; 15 U.S.C. 290-290f) which may be copyrighted by the NIST.

    العربية ∙ English ∙ 日本語 ∙ македонски ∙ Nederlands ∙ +/−

    Captions

    Faraday cage of wire screen to shield against radio waves

    Items portrayed in this file

    depicts

    Faraday cage

    inception

    1 October 1986

    media type

    image/jpeg

    data size

    59,886 byte

    height

    426 pixel

    width

    495 pixel

    checksum

    4996771e347ecebfa46319558661d42c4a221443

    determination method or standard: SHA-1

    File history

    Click on a date/time to view the file as it appeared at that time.

    Date/TimeThumbnailDimensionsUserComment
    current05:50, 10 June 2025Thumbnail for version as of 05:50, 10 June 2025495 × 426 (58 KB)wikimediacommons>ChetvornoUploaded a work by Wilbert F. Snyder and Charles L. Bragaw from Retrieved 9 June 2025 from [https://www.worldradiohistory.com/BOOKSHELF-ARH/History/Achievement-in-Radio-National-Bureau-of-Standards-1986.pdf Snyder, Wilbert F. ; Bragaw, Charles L. (1986) Achievement in Radio: Seventy years of radio science, technology, standards, and measurement at the National Bureau of Standards, US Dept. of Commerce, p.64] archived on worldradiohistory.com with UploadWizard

    There are no pages that use this file.

    Retrieved from "https://en.wiki.beta.math.wmflabs.org/wiki/File:Faraday_cage_at_US_Bureau_of_Standards_1925_-_front.jpg"