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File:Heber Doust Curtis NBS 1918.jpg

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English: Heber Doust Curtis,
Date
Source File:NBSPersonnel1918 043.jpg
Author National Institute of Standards and Technology

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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.
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current14:57, 26 March 2021Thumbnail for version as of 14:57, 26 March 2021605 × 756 (289 KB)HohumUploaded a work by National Institute of Standards and Technology from File:NBSPersonnel1918 043.jpg with UploadWizard

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