File:WillemKeesom1926.jpg
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Original file (2,734 × 3,292 pixels, file size: 1.36 MB, MIME type: image/jpeg)
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Summary
DescriptionWillemKeesom1926.jpg |
Nederlands: Prof. dr. W.H. Keesom, hoogleraar Natuurkunde en directeur van het Kamerlingh Onnes laboratorium in Leiden. is er als eerste in geslaagd om helium in de vaste fase te krijgen, door het bij hoge druk (150 bar) af te koelen. |
Date | |
Source | GaHetNa (Nationaal Archief NL) (using Dememorixer) |
Author | Unknown photographer |
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: rm artefacts per request at en:GL/ILL.
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This image was improved or created by the Wikigraphists of the Graphic Lab (en). You can propose images to clean up, improve, create or translate as well. |
Licensing
Public domainPublic domainfalsefalse |
This image (or other media file) is in the public domain because its copyright has expired and its author is anonymous.
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Note: In Germany and possibly other countries, certain anonymous works published before July 1, 1995 are copyrighted until 70 years after the death of the author. See Übergangsrecht. Please use this template only if the author never claimed authorship or their authorship never became public in any other way. If the work is anonymous or pseudonymous (e.g., published only under a corporate or organization's name), use this template for images published more than 70 years ago.
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Items portrayed in this file
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1926
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:04, 20 November 2019 | 2,734 × 3,292 (1.36 MB) | Begoon | c:User:Rillke/bigChunkedUpload.js: fix minor mask error, rationalise file size | |
15:56, 20 November 2019 | 2,734 × 3,292 (2.34 MB) | Begoon | rm artefacts per request at en:GL/ILL | ||
19:07, 11 July 2017 | 2,818 × 3,372 (495 KB) | Vysotsky | User created page with UploadWizard |
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- Willem Keesom
- Wikipedia:GLAM/Universiteitsbibliotheek Utrecht/Wikidata/Hoogleraren
- Gebruiker:RonnieV/Lijst van personen geboren in 1876
- Gebruiker:RonnieV/Lijst van personen geboren op 21 juni
- Gebruiker:RonnieV/Lijst van personen overleden op 24 maart
- Gebruiker:RonnieV/Lijst van personen overleden in 1956
- Gebruiker:RonnieBot/afbeeldingen 13 2000
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Metadata
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Width | 2,818 px |
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Height | 3,372 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 03:02, 21 November 2019 |
Exif version | 2.21 |
Color space | Uncalibrated |
Unique ID of original document | 50A7202CFCFE458302EF74A41E60329B |
Date and time of digitizing | 13:25, 21 November 2019 |
Date metadata was last modified | 14:02, 21 November 2019 |
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