File:Cermets 2 Steatite Granulation Process Vibrating screen to separate steatite granules by size 2012 002 5979.tiff

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Steatite Granulation Process   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
Herb Radin and Associates
Title
Steatite Granulation Process
Description

2. To better control density and shrinkage factors, the steatite mixture is dried and ground into a coarse powder. It is then reground and vibrated through a series of fine screens which separate the steatite by particular size, Only those granules which meet specific size standards are used. The remainder are discarded. An additional mixing operation blends the granules to ensure 100% batch consistency. Special temperature-controlled storage cabinets maintain the moisture level and conditions the steatite mixture, thus retainig the required bulk density factor.

Published without a copyright notice in "The making of a cermet trimmer, 1966" in Beckman Instruments' newsletter Helinews, number 36, Spring 1966, pp. 4-5. Part of a two-page spread detailing the process of manufacturing cermet trimmers.
Date 1966
date QS:P571,+1966-00-00T00:00:00Z/9
institution QS:P195,Q5090408
Accession number
Beckman Historical Collection
Credit line Science History Institute.
Notes Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.
Source https://digital.sciencehistory.org/works/9019s324t
Permission
(Reusing this file)
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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current19:13, 17 April 2020Thumbnail for version as of 19:13, 17 April 20201,066 × 730 (2.97 MB)Mary Mark Ockerbloom== {{int:filedesc}} == {{Photograph |photographer = Herb Radin and Associates |title = Steatite Granulation Process |description = 2. To better control density and shrinkage factors, the steatite mixture is dried and ground into a coarse powder. It is then reground and vibrated through a series of fine screens which separate the steatite by particular size, Only those granules which meet specific size standards are used. The remainder are discarded. An addition...
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