Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921)

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The Illumination with Small and Large Condensers

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag J.
Volume: 5, No. 13, pp. 19–38
Abstract: The present paper is the outgrowth of the discussion in connection with the paper on condensers at the last meeting of this society. The method previously described has been applied to measuring the efficacy of small condensers as compared with the standard 4.5 inch, for sources and projection lenses of a variety of sizes. A graph showing the relation between brilliancy of incandescent filaments and lamp life has been added.
Publication Date: 1921-10-01
DOI: 10.5594/J12471
ISSN: Print: 0096-6460
Link: https://doi.org/10.5594/J12471
Author(s): W. E. Story
Copyright: © 1921 Society of Motion Picture and Television Engineers, Inc.

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W. E. Story; The Illumination with Small and Large Condensers, Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921); SMPTE, 1921. Available at https://doi.org/10.5594/J12471

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W. E. Story; The Illumination with Small and Large Condensers, Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921); SMPTE, 1921. Available at https://doi.org/10.5594/J12471

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<span class="citation">W. E. Story; <cite>The Illumination with Small and Large Condensers</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921); SMPTE, 1921. Available at <a href="https://doi.org/10.5594/J12471" target="_blank" rel="noopener">https://doi.org/10.5594/J12471</a></span>

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W. E. Story; The Illumination with Small and Large Condensers, Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921); SMPTE, 1921
doi: 10.5594/J12471
url: https://doi.org/10.5594/J12471

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W. E. Story; <cite id="bib-10-5594-j12471">The Illumination with Small and Large Condensers</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921); SMPTE, 1921
<span class="doi">10.5594/J12471</span>
</li>