File:WillemKeesom1926.jpg
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Size of this preview: 498 × 600 pixels. Other resolutions: 199 × 240 pixels | 399 × 480 pixels | 638 × 768 pixels | 850 × 1,024 pixels | 1,701 × 2,048 pixels | 2,734 × 3,292 pixels.
Original file (2,734 × 3,292 pixels, file size: 1.36 MB, MIME type: image/jpeg)
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Summary[edit]
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[edit]
Public domainPublic domainfalsefalse |
This image (or other media file) is in the public domain because its copyright has expired and its author is anonymous.
This applies to the European Union and those countries with a copyright term of 70 years after the work was made available to the public and the author never disclosed their identity. Important: Always mention where the image comes from, as far as possible, and make sure the author never claimed authorship. |
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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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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:04, 20 November 2019 | 2,734 × 3,292 (1.36 MB) | Begoon (talk | contribs) | 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 (talk | contribs) | rm artefacts per request at en:GL/ILL | ||
19:07, 11 July 2017 | 2,818 × 3,372 (495 KB) | Vysotsky (talk | contribs) | 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
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
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 |