File:Queen Self Regulating X-ray Tube.jpg

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Original file (3,120 × 4,160 pixels, file size: 2.75 MB, MIME type: image/jpeg)

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Description
English: This is an X-ray tube designed and patented by Henry Lyman Sayen while he was working for the James W. Queen & Company.
Date
Source National Museum of American History, Smithsonian Institution Accession File 302606.112
Author Eric Kearsley

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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 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.

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current16:16, 30 October 2015Thumbnail for version as of 16:16, 30 October 20153,120 × 4,160 (2.75 MB)Attichelper (talk | contribs)User created page with UploadWizard

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