File:Africa. French Equatorial Africa. After the concentrate has been put through the final washing at the Central Plant... - NARA - 541649.tif
Original file (1,879 × 2,000 pixels, file size: 3.61 MB, MIME type: image/tiff)
Captions
Summary
[edit]Author |
creator QS:P170,Q920364 (NARA record: 2236828) |
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Record creator InfoField | U.S. International Development Cooperation Agency. Agency for International Development. (10/01/1979 - ca. 1998) (Most Recent) Department of State. International Cooperation Administration. (06/30/1955 - 11/1961) (Predecessor) |
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Title |
Africa. French Equatorial Africa. After the concentrate has been put through the final washing at the Central Plant, the diamonds adhere to trays, such as this one pictured, which previously have been covered with a special preparation known as diamond grease, manufactured in England. Photo shows a native worker holding the tray which contains the morning's yield of industrial diamonds. The diamonds are then cleaned by boiling in sulphuric and hydrocloric acid |
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Date |
between circa 1948 and circa 1955 date QS:P571,+1950-00-00T00:00:00Z/7,P1319,+1948-00-00T00:00:00Z/9,P1326,+1955-00-00T00:00:00Z/9,P1480,Q5727902 |
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Collection |
institution QS:P195,Q38945047 Still Picture Records Section, Special Media Archives Services Division (NWCS-S) |
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Record ID InfoField |
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Source | U.S. National Archives and Records Administration | ||||||||||||||||||||||||||
Other versions |
Please do not overwrite this file: any restoration work should be uploaded with a new name and linked in this page's "other versions=" parameter, so that this file represents the exact file found in the NARA catalog record to which it links. The metadata on this page was imported directly from NARA's catalog record; additional descriptive text may be added by Wikimedians to the template below with the "description=" parameter, but please do not modify the other fields. |
Licensing
[edit]This file was provided to Wikimedia Commons by the National Archives and Records Administration as part of a cooperation project. The National Archives and Records Administration provides images depicting American and global history which are public domain or licensed under a free license.
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Public domainPublic domainfalsefalse |
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:21, 22 September 2011 | 1,879 × 2,000 (3.61 MB) | US National Archives bot (talk | contribs) | == {{int:filedesc}} == {{NARA-image-full |Title=Africa. French Equatorial Africa. After the concentrate has been put through the final washing at the Central Plant, the diamonds adhere to trays, such as this one pictured, which previously have been cover |
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Metadata
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Image title | Portrait |
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Author | NARA |
Width | 1,879 px |
Height | 2,000 px |
Bits per component | 8 |
Compression scheme | Uncompressed |
Pixel composition | Black and white (Black is 0) |
Image data location | 24,754 |
Orientation | Normal |
Number of components | 1 |
Number of rows per strip | 2,000 |
Bytes per compressed strip | 3,758,000 |
Horizontal resolution | 200 dpi |
Vertical resolution | 200 dpi |
Software used | Adobe Photoshop CS4 Windows |
File change date and time | 09:22, 2 June 2011 |
Color space | Uncalibrated |
warning | wrong data type 7 for "RichTIFFIPTC"; tag ignored. |
Structured data
Items portrayed in this file
depicts
some value
Africa. French Equatorial Africa. After the concentrate has been put through the final washing at the Central Plant, the diamonds adhere to trays, such as this one pictured, which previously have been covered with a special preparation known as diamond grease, manufactured in England. Photo shows a native worker holding the tray which contains the morning's yield of industrial diamonds. The diamonds are then cleaned by boiling in sulphuric and hydrocloric acid (English)
image/tiff
cdbd8fbeacec2c087e26dcc196a0e3ea68b265d3
3,782,800 byte
2,000 pixel
1,879 pixel
some value
Reference
- Images from the National Archives and Records Administration
- High-resolution TIFF images from the National Archives and Records Administration
- Artworks without Wikidata item
- US National Archives series: Photographs of Marshall Plan Activities in Europe and Africa, compiled ca. 1948 - ca. 1989, documenting the period 1945 - ca. 1954
- Media contributed by the National Archives and Records Administration
- CC-PD-Mark
- PD US Government