File:Cermets 7 Checking electrical resistance 2012 002 5979.tiff

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Checking electrical resistance   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Photographer
Herb Radin and Associates
Title
Checking electrical resistance
Description

7. Helipot engineers have developed automatic equipment for checking the total resistance of cermet elements. Resistance elements not within the acceptable tolerances are rejected. The surface of each cermet element is further processed by buffing to remove the over-glaze and reduce noise. Essentially infinite resolution is also achieved, since the cermet resistance element is one smooth, continuous strip.

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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current01:18, 18 April 2020Thumbnail for version as of 01:18, 18 April 20201,060 × 761 (3.08 MB)wikimediacommons>Mary Mark Ockerbloom== {{int:filedesc}} == {{Photograph |photographer = Herb Radin and Associates |title = Checking electrical resistance |description = 7. Helipot engineers have developed automatic equipment for checking the total resistance of cermet elements. Resistance elements not within the acceptable tolerances are rejected. The surface of each cermet element is further processed by buffing to remove the over-glaze and reduce noise. Essentially infinite resolution is also...

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