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File:WillemKeesom1926.jpg

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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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Willem Hendrik Keesom

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Date/TimeThumbnailDimensionsUserComment
current16:04, 20 November 2019Thumbnail for version as of 16:04, 20 November 20192,734 × 3,292 (1.36 MB)Begoonc:User:Rillke/bigChunkedUpload.js: fix minor mask error, rationalise file size
15:56, 20 November 2019Thumbnail for version as of 15:56, 20 November 20192,734 × 3,292 (2.34 MB)Begoonrm artefacts per request at en:GL/ILL
19:07, 11 July 2017Thumbnail for version as of 19:07, 11 July 20172,818 × 3,372 (495 KB)VysotskyUser created page with UploadWizard

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