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English: Silica Gel Adsorber for NO2   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
UnknownUnknown
Title
English: Silica Gel Adsorber for NO2
Description
English: Silica Gel Adsorber for Nitrogen Dioxide (NO2)
Depicted place Fixed Nitrogen Research Laboratory
Date between circa 1920 and circa 1950
date QS:P571,+1950-00-00T00:00:00Z/7,P1319,+1920-00-00T00:00:00Z/9,P1326,+1950-00-00T00:00:00Z/9,P1480,Q5727902
Medium Print, Photographic , Original, Negative
Dimensions height: 4 in (10.1 cm); width: 5 in (12.7 cm)
dimensions QS:P2048,4U218593
dimensions QS:P2049,5U218593
institution QS:P195,Q5090408
Accession number
2003.902.070
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/jd472w49x
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
current20:06, 17 December 2014Thumbnail for version as of 20:06, 17 December 20141,541 × 1,231 (5.43 MB)Mary Mark Ockerbloom{{Photograph |photographer = {{unknown}} |title={{en|1=Silica Gel Adsorber for NO2 }} |description={{en|1=Silica Gel Adsorber for NO2 }} |depicted people = |depicted place = Fixed Nitrogen Research Laboratory |date = {{otherdate|ca|1920|1950}}...
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source: http://en.wikipedia.org/wiki/File:THC_2003.902.070_Silica_Gel_Adsorber_for_NO2.tif