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Faili:THC 2003.902.022 D. C. Bardwell Study of Nitrogen Fixation.tif

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English: D. C. Bardwell Study of Nitrogen Fixation   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
UnknownUnknown
Jina
English: D. C. Bardwell Study of Nitrogen Fixation
Maelezo
English: D. C. Bardwell inspecting the mechanism for a study of nitrogen fixation by alpha rays completed at the Fixed Nitrogen Research Laboratory.
Depicted people Depicted person: D. C. Bardwell
Depicted place Fixed Nitrogen Research Laboratory
Tarehe Aprili 1926
date QS:P571,+1926-04-00T00:00:00Z/10
Medium Print, Photographic , Original, Negative
Dimensions Urefu: 6 in (15.2 cm); Upana: 7 in (17.7 cm)
dimensions QS:P2048,6U218593
dimensions QS:P2049,7U218593
institution QS:P195,Q5090408
Accession number
2003.902.022
Object history Travis Hignett Collection. The images are from the United States Department of Agriculture (U.S.D.A.) Fixed Nitrogen Research Laboratory (F.N.R.L.) and date from the 1920s-1950s. Many of the images are mounted on scrapbook pages and were originally in scrapbook albums.
Credit line Gift of Travis Hignett, Science History Institute.
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Chanzo https://digital.sciencehistory.org/works/6969z087c
Ruhusa
(Kutumia faili tena)
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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sasa hivi19:51, 17 Desemba 2014Picha ndogo ya toleo la 19:51, 17 Desemba 20142,151 × 1,824, kurasa 2 (11.24 MB)Mary Mark Ockerbloom{{Photograph |photographer = {{unknown}} |title={{en|1= D. C. Bardwell Study of Nitrogen Fixation }} |description={{en|1= D. C. Bardwell Study of Nitrogen Fixation }} |depicted people = {{depicted person|D. C. Bardwell}} |depicted place = Fixed N...

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