kids encyclopedia robot

Image: THC 2003.902.022 D. C. Bardwell Study of Nitrogen Fixation

Kids Encyclopedia Facts
Original image(2,151 × 1,824 pixels, file size: 11.24 MB, MIME type: image/tiff)

Description: English: D. C. Bardwell inspecting the mechanism for a study of nitrogen fixation by alpha rays completed at the Fixed Nitrogen Research Laboratory.
Title: English: D. C. Bardwell Study of Nitrogen Fixation
Credit: Chemical Heritage Foundation.
Author: Unknown
Permission: This file was provided to Wikimedia Commons by the Chemical Heritage Foundation as part of a cooperation project. کوردیی ناوەندی | English | العربية | Français | Italiano | Македонски | Nederlands | Português | +/− 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. See Copyright. 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.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

The following page links to this image:

kids search engine