Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934)

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Operating Characteristics of the High-Intensity Alternating-Current ARC for Motion Picture Projection

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 23, No. 1, pp. 27–34
Abstract: A detailed description is given of the high-intensity a-c. carbons, including the current-carrying capacity, the arc voltage, and the rate of consumption. The appearance of the arc and the carbons when the arc is burning is shown in a number of illustrations covering overload and underload conditions, and long, short, and medium arc lengths. The essential requirements for the feeding mechanism and transformer to operate the arc are outlined. It is emphasized that the carbons must be operated under certain definite conditions for the best results.
Publication Date: 1934-07-01
DOI: 10.5594/J07439
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J07439
Author(s): D. B. Joy
E. R. GeibNational Carbon Co., Cleveland, Ohio
Copyright: © 1934 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1 Joy D. B. Downes A. C. : “A New Alternating-Current Projection Arc,” J. Soc. Mot. Pict. Eng. , XXI (Aug., 1933 ), No. 2 , p. 116 . EXTERNAL
2 Joy D. B. Downes A. C. : “Direct-Current High-Intensity Arcs with Non-Rotating Positive Carbons,” J. Soc. Mot. Pict. Eng. , XXII (Jan., 1934 ), No. 1 , p. 42 . EXTERNAL
3 Joy D. B. Geib E. R. : “The High-Intensity A-C. Arc in Relation to the Light upon the Projection Screen,” J. Soc. Mot. Pict. Eng. XXIII (July, 1934 ), No. 1 , p. 35 . EXTERNAL

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D. B. Joy and E. R. Geib; Operating Characteristics of the High-Intensity Alternating-Current ARC for Motion Picture Projection, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at https://doi.org/10.5594/J07439

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D. B. Joy and E. R. Geib; Operating Characteristics of the High-Intensity Alternating-Current ARC for Motion Picture Projection, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at https://doi.org/10.5594/J07439

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<span class="citation">D. B. Joy and E. R. Geib; <cite>Operating Characteristics of the High-Intensity Alternating-Current ARC for Motion Picture Projection</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934. Available at <a href="https://doi.org/10.5594/J07439" target="_blank" rel="noopener">https://doi.org/10.5594/J07439</a></span>

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<li>
D. B. Joy and E. R. Geib; <cite id="bib-10-5594-j07439">Operating Characteristics of the High-Intensity Alternating-Current ARC for Motion Picture Projection</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 23, Issue: 1, July 1934); SMPTE, 1934
<span class="doi">10.5594/J07439</span>
</li>