Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 1, January 1950)

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Industrial Sapphire in Motion Picture Equipment

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 54, No. 1, pp. 95–101
Abstract: This paper is an endeavor to call attention to an engineering material which has the most favorable coefficient of friction in relation to film emulsions and bases among known commercial products. Characteristics of sapphire in fine watches, the development of industrial sapphire, and potential motion picture equipment applications are discussed briefly. The Auricon camera film gate with regard to the use of hard contact points and the mounting of sapphire contact surfaces is described and illustrated. Physical characteristics of sapphire are shown with charts and performance data. Diamond lapping compounds and the metal bonding and flame forming of sapphire are briefly mentioned.
Publication Date: 1950-01-01
DOI: 10.5594/J06382
ISSN: Print: 0898-042X
Link: https://doi.org/10.5594/J06382
Author(s): Walter BachBerndt-Bach, Inc., Los Angeles, California
Chris WagnerElgin National Watch Company, New York, N.Y.
Copyright: © 1950 Society of Motion Picture and Television Engineers, Inc.

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Walter Bach and Chris Wagner; Industrial Sapphire in Motion Picture Equipment, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 1, January 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J06382

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Walter Bach and Chris Wagner; Industrial Sapphire in Motion Picture Equipment, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 1, January 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J06382

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<span class="citation">Walter Bach and Chris Wagner; <cite>Industrial Sapphire in Motion Picture Equipment</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 1, January 1950); SMPTE, 1950. Available at <a href="https://doi.org/10.5594/J06382" target="_blank" rel="noopener">https://doi.org/10.5594/J06382</a></span>

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<li>
Walter Bach and Chris Wagner; <cite id="bib-10-5594-j06382">Industrial Sapphire in Motion Picture Equipment</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 1, January 1950); SMPTE, 1950
<span class="doi">10.5594/J06382</span>
</li>