File:THC 2003.902.021 E. H. Johnston Ozone Production.jpg
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Original file (3,139 × 2,941 pixels, file size: 10.89 MB, MIME type: image/jpeg)
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Captions
English: E. H. Johnston Ozone Production ( ) | |||||||||||||||||||||
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Photographer |
UnknownUnknown |
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Title |
English: E. H. Johnston Ozone Production |
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Description |
English: E. H. Johnston demonstrating apparatus for ozone production. |
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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 |
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Medium | Print, Photographic , Original, Negative | ||||||||||||||||||||
Dimensions | 7.5 × 6 in (19 × 15.2 cm) | ||||||||||||||||||||
Collection |
institution QS:P195,Q5090408 |
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Accession number |
2003.902.021 |
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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) |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:50, 17 December 2014 | 3,139 × 2,941 (10.89 MB) | Mary Mark Ockerbloom (talk | contribs) | {{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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Orientation | Normal |
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Horizontal resolution | 400 dpi |
Vertical resolution | 400 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 11:32, 23 January 2007 |
Color space | Uncalibrated |