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Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935)
[ACTIVE]

The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
25, No. 5, pp. 383–388
Abstract
The spectral energy distributions are given of Sunlight, National motion picture studio carbons, Sun Arcs, and Rotary Spot carbons under the conditions found in the studios. From the spectral energy distributions, the amounts of actual energy received by an actor from one of these light-sources at various distances, and the numbers of carbon arc lighting units required to equal the intensity of sunlight have been calculated. A chart is included which shows the relative amounts of photographically effective, penetrating infrared and long-wave infrared radiations emitted by the various arc units.
Publication Date
1935-11-01
DOI
10.5594/J08740
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J08740
Author(s)
F. T. Bowditch
A. C. DownesResearch Laboratory, National Carbon Co., Cleveland, Ohio
Copyright
© 1935 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
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F. T. Bowditch and A. C. Downes; The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources, Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J08740
Snippet:
F. T. Bowditch and A. C. Downes; The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources, Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J08740

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Preview:
F. T. Bowditch and A. C. Downes; The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources, Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J08740
Snippet:
<span class="citation">F. T. Bowditch and A. C. Downes; <cite>The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935); SMPTE, 1935. Available at <a href="https://doi.org/10.5594/J08740" target="_blank" rel="noopener">https://doi.org/10.5594/J08740</a></span>

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Preview:
F. T. Bowditch and A. C. Downes; The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources, Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935); SMPTE, 1935
doi: 10.5594/J08740
url: https://doi.org/10.5594/J08740
Snippet:
<li>
F. T. Bowditch and A. C. Downes; <cite id="bib-10-5594-j08740">The Radiant Energy Delivered on Motion Picture Sets from Carbon Arc Studio Light-Sources</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 25, Issue: 5, November 1935); SMPTE, 1935
<span class="doi">10.5594/J08740</span>
</li>