File:Kilogram underglass hr450 1.png

Original file (450 × 654 pixels, file size: 421 KB, MIME type: image/png)

Summary

Description
English: K20 prototype mass
Date
Source https://www.nist.gov/image/kilogramunderglasshr4501png
Author NIST

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.

Captions

K20 prototype mass

9 January 2017

430,704 byte

654 pixel

450 pixel

image/png

05d3f71806f4f88fc1b84a24aa6f88641192da0a

File history

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

Date/TimeThumbnailDimensionsUserComment
current23:46, 18 August 2025Thumbnail for version as of 23:46, 18 August 2025450 × 654 (421 KB)DhaluzaUploaded a work by NIST from https://www.nist.gov/image/kilogramunderglasshr4501png with UploadWizard

The following page uses this file:

Metadata