Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 1, January 1935)

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The Non-Rotating High-Intensity D-C. Arc for Projection

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 24, No. 1, pp. 47–62
Abstract: The non-rotating high-intensity d-c. arc is considered in conjunction with equipment that has been developed for applying it to motion picture projection. The current and consumption ranges and the crater opening of carbons when used in this equipment are tabulated. The effect of burning the arc at various currents, arc lengths, and positions is shown graphically in relation to the light upon the projection screen. The important features of the lamp mechanisms and optical systems are discussed. The sources of power used with this new type of arc are grouped in relation to arc stability and general characteristics. The influence of external magnetic flux upon arc stability and appearance of the arc is also illustrated.
Publication Date: 1935-01-01
DOI: 10.5594/J05435
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J05435
Author(s): D. B. Joy
E. R. GeibNational Carbon Co., Cleveland, Ohio.
Copyright: © 1935 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1 Joy D. B. Downes A. C. : “Direct-Current High-Intensity Arc with Non-Rotating Positive Carbons,” J. Soc. Mot. Pict. Eng. , XXII (Jan., 1934 ), No. 1 . p. 42 . EXTERNAL
2 Joy D. B. Downes A. C. : “Properties of Low-Intensity Reflecting Arc Projector Carbons,” J. Soc. Mot. Pict. Eng. , XVI (June, 1931 ), No. 6 , p. 684 . EXTERNAL
3 Joy D. B. Geie E. R. : “The Relation of the High-Intensity A-C. Arc to the Light on the Projection Screen,” J. Soc. Mot. Pict. Eng. , XXIII (July, 1934 ), No. 1 , p. 35 . EXTERNAL
4 Bassett P. R. : “The Electrochemistry of the High-Intensity Arc,” Trans. Amer. Electrochem. Soc. XLIV ( 1923 ), p. 153 . EXTERNAL
5 Dash C. C. : “Operation of Projection Arcs from Motor-Generator Sets,” J. Soc. Mot. Pict. Eng. , XV (Nov., 1930 ), No. 5 , p. 702 . EXTERNAL

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D. B. Joy and E. R. Geib; The Non-Rotating High-Intensity D-C. Arc for Projection, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 1, January 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J05435

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D. B. Joy and E. R. Geib; The Non-Rotating High-Intensity D-C. Arc for Projection, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 1, January 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J05435

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<span class="citation">D. B. Joy and E. R. Geib; <cite>The Non-Rotating High-Intensity D-C. Arc for Projection</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 1, January 1935); SMPTE, 1935. Available at <a href="https://doi.org/10.5594/J05435" target="_blank" rel="noopener">https://doi.org/10.5594/J05435</a></span>

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<li>
D. B. Joy and E. R. Geib; <cite id="bib-10-5594-j05435">The Non-Rotating High-Intensity D-C. Arc for Projection</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 1, January 1935); SMPTE, 1935
<span class="doi">10.5594/J05435</span>
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Referenced By

Carbon Arcs for 16mm Film Projection [Active]