Journal of the Society of Motion Picture Engineers ( Volume: 14, Issue: 3, March 1930)

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Characteristics of High Intensity Arcs

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 14, No. 3, pp. 291–301
Abstract: The amount of light used at the aperture plate of the motion picture projector has steadily increased until at the present time only the high intensity are can furnish the light concentration necessary to satisfy the demands of the larger theaters. Recent changes which have been made and rumors of others about to occur in the motion picture industry have again emphasized the constant demand for more light on the screen of the theater. It therefore seems desirable to call attention to certain characteristics of high intensity arcs which may help in the solution of the ever present problem of increasing the useful light.
Publication Date: 1930-03-01
DOI: 10.5594/J13077
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J13077
Author(s): D. B. Joy
A. C. DownesResearch Laboratories of National Carbon Co., Inc., Cleveland, Ohio.
Copyright: © 1930 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1 Bassett : “The High Power Arc in Motion Pictures,” Trans. Soc Mot. Pict. Eng. , No. 11 ( 1920 ). EXTERNAL
10 Townsend : “An Improved Condenser System for Motion Picture Projection,” Trans. Soc. Mot. Pict. Eng. , 11 , No. 31 ( 1927 ). EXTERNAL
11 Story : “Preliminary Measurements of Illumination in Motion Picture Projection,” Trans. Soc. Mot. Pict. Eng. , No. 9 ( 1919 ). EXTERNAL
12 Story : “Further Measurements of Illumination in Motion Picture Projection,” Trans. Soc. Mot. Pict. Eng. , No. 10 ( 1920 ). EXTERNAL
13 Cady Dates : Illuminating Engineering , Second Edition , John Wiley and Sons, Inc. , New York ( 1928 ), pp. 38 and 76 . EXTERNAL
2 Priest : Tech. Papers Bur. Stand. , No. 168 ( 1920 ). EXTERNAL
3 Bassett : “Electrochemistry of the High Intensity Arc,” Trans. Amer. Electrochem. Soc. , 44 ( 1923 ). EXTERNAL
4 Lichtenberg : “Military Searchlights,” Trans. Ill. Eng. Soc. , 15 ( 1920 ). EXTERNAL
5 Gillett : “Modern Searchlights,” J. Amer. Soc Naval Eng. ( 1922 ). EXTERNAL
6 Coblentz Dorcas Hughes : Sci. Papers Bur. Stand. , No. 539 ( 1926 ). EXTERNAL
7 Benford : “High Intensity Arc,” Trans. Soc. Mot. Pict. Eng. , No. 24 ( 1925 ). EXTERNAL
8 Bassett : “Sources of Light,” Trans. Soc Mot. Pict. Eng. , 10 , No. 27 ( 1926 ). EXTERNAL
9 Greider Downes : “Sunlight—Natural and Synthetic.” A paper presented before the 23rd annual convention of the Illuminating Engineering Society, Philadelphia (Sept., 1929 ). EXTERNAL

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D. B. Joy and A. C. Downes; Characteristics of High Intensity Arcs, Journal of the Society of Motion Picture Engineers ( Volume: 14, Issue: 3, March 1930); SMPTE, 1930. Available at https://doi.org/10.5594/J13077

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D. B. Joy and A. C. Downes; Characteristics of High Intensity Arcs, Journal of the Society of Motion Picture Engineers ( Volume: 14, Issue: 3, March 1930); SMPTE, 1930. Available at https://doi.org/10.5594/J13077

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<span class="citation">D. B. Joy and A. C. Downes; <cite>Characteristics of High Intensity Arcs</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 14, Issue: 3, March 1930); SMPTE, 1930. Available at <a href="https://doi.org/10.5594/J13077" target="_blank" rel="noopener">https://doi.org/10.5594/J13077</a></span>

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D. B. Joy and A. C. Downes; Characteristics of High Intensity Arcs, Journal of the Society of Motion Picture Engineers ( Volume: 14, Issue: 3, March 1930); SMPTE, 1930
doi: 10.5594/J13077
url: https://doi.org/10.5594/J13077

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D. B. Joy and A. C. Downes; <cite id="bib-10-5594-j13077">Characteristics of High Intensity Arcs</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 14, Issue: 3, March 1930); SMPTE, 1930
<span class="doi">10.5594/J13077</span>
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Referenced By

Progress in the Motion Picture Industry [Active]