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File:Martin Hill Ittner 2003 900 741 kh04dq57q.tif

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Original file (4,605 × 5,846 pixels, file size: 77.08 MB, MIME type: image/tiff, 2 pages)

Summary

Portrait of American chemist Martin Hill Ittner (1870-1945)   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
Unknown authorUnknown author
Title
Portrait of American chemist Martin Hill Ittner (1870-1945)
Description
English: Portrait of American chemist Martin Hill Ittner (1870-1945), one of the first chemists in the United States to develop successful methods for the hydrogenation of fatty oils, which helps turn liquid oils into solids. ca. 1910.
Date circa 1910
date QS:P571,+1910-00-00T00:00:00Z/9,P1480,Q5727902
institution QS:P195,Q5090408
Accession number
Williams Haynes Portrait Collection, Box 8. Science History Institute. Philadelphia.
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Source https://digital.sciencehistory.org/works/c534fp96s
Permission
(Reusing this file)
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Martin_Hill_Ittner_2003_900_741_kh04dq57q.tif

Captions

Portrait of American chemist Martin Hill Ittner (1870-1945) ca.1910

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public domain

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current15:11, 19 April 2019Thumbnail for version as of 15:11, 19 April 20194,605 × 5,846, 2 pages (77.08 MB)Mary Mark OckerbloomUser created page with UploadWizard

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Quelle: http://en.wikipedia.org/wiki/File:Martin_Hill_Ittner_2003_900_741_kh04dq57q.tif