Delwedd:Martin Hill Ittner 2003 900 741 kh04dq57q.tif

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Portrait of American chemist Martin Hill Ittner (1870-1945)   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
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Unknown authorUnknown author
Teitl
Portrait of American chemist Martin Hill Ittner (1870-1945)
Disgrifiad
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.
Dyddiad circa 1910
date QS:P571,+1910-00-00T00:00:00Z/9,P1480,Q5727902
institution QS:P195,Q5090408
Rhif catalogio
Williams Haynes Portrait Collection, Box 8. Science History Institute. Philadelphia.
Nodiadau Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Ffynhonnell https://digital.sciencehistory.org/works/c534fp96s
Caniatâd
(Ailddefnyddio'r ffeil hon)
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

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

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