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File:THC 2003.902.021 E. H. Johnston Ozone Production.jpg

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English: E. H. Johnston Ozone Production   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
UnknownUnknown
Title
English: E. H. Johnston Ozone Production
Description
English: E. H. Johnston demonstrating apparatus for ozone production.
Depicted people Depicted person: E. H. Johnston
Depicted place Fixed Nitrogen Research Laboratory
Date April 1926
date QS:P571,+1926-04-00T00:00:00Z/10
Medium Print, Photographic , Original, Negative
Dimensions 7.5 × 6 in (19 × 15.2 cm)
institution QS:P195,Q5090408
Accession number
2003.902.021
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.
Source https://digital.sciencehistory.org/works/9306sz402
Permission
(Reusing this file)
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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Date/TimeThumbnailDimensionsUserComment
current19:50, 17 December 2014Thumbnail for version as of 19:50, 17 December 20143,139 × 2,941 (10.89 MB)Mary Mark Ockerbloom{{Photograph |photographer = {{unknown}} |title={{en|1= E. H. Johnson Ozone Production }} |description={{en|1= E. H. Johnson Ozone Production }} |depicted people = {{depicted person|E. H. Johnson}} |depicted place = Fixed Nitrogen Research Labora...

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