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Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940)
[ACTIVE]

Gases from Carbon ARCS and their Effects

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
35, No. 7, pp. 32–47
Abstract
This paper is a review of work done in the laboratories of National Carbon Company, Inc., the College of Medicine of the University of Nebraska, the School of Public Health of Harvard University, and the Department of Health of the City of Detroit on the products of combustion from carbon arcs used in the motion picture industry. Analyses of the gases coming from various lamps show that, even in the stacks, the only gas occurring in toxic concentration is nitrogen dioxide. The biological effects of undiluted stack gas from simplified high-intensity arcs upon experimental animals were only those due to the nitrogen dioxide. The arc-ash fume when administered by intratracheal and subcutaneous routes in rabbits was found to be relatively inert. Determination of nitrogen dioxide concentrations in poorly ventilated projection rooms failed to show any concentration more than about one-fifth that generally considered as allowable for exposure of several hours' duration, and therefore there is little or no hazard in these projection rooms. Studies of ventilation under controlled conditions show that even with very low rates of both lamp house and room ventilation there is no danger of gases or fumes reaching concentrations which are toxic and that if sufficient ventilation is provided to produce comfortable working conditions there can not be any appreciable concentrations of nitrogen dioxide or arc-ash fumes in the booth.
Publication Date
1940-07-01
DOI
10.5594/J10067
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J10067
Author(s)
A. C. DownesNational Carbon Co., Cleveland, Ohio.
Copyright
© 1940 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1 Coltman R. W. : “Gases from Carbon Arcs,” Jour. Ind. Hyg. and Tox. , XX (April, 1938 ), p. 289 . EXTERNAL
  • 10 Van Wijk A. M. Patterson H. S. : “The Percentage of Particles of Different Sizes Removed from Dust Laden Air by Breathing,” Jour. Ind. Hyg. and Tox. , XXII (Jan., 1940 ), p. 31 . EXTERNAL
  • 11 Frederick W. G. : “A Study of the Motion Picture Industry in Detroit,” read before the American Conference on Occupational Disease and Industrial Hygiene, Cleveland, Ohio ( 1939 ). EXTERNAL
  • 2 Coltman R. W. MacPherson H. G. : “Gases from Carbon Arcs: Absence of Ozone,” Jour. Ind. Hyg. and Tox. , XX (Sept., 1938 ), p. 465 . EXTERNAL
  • 3 Henderson Y. Haggard H. W. : “Noxious Gases,” A. C. S. Monograph ( 1927 ). EXTERNAL
  • 4 Drinker P. Snell J. R. : “Ventilation of Motion Picture Booths,” Jour. Ind. Hyg. and Tox. , XX (April, 1938 ), p. 321 . EXTERNAL
  • 5 MacQuiddy E. L. Tollman J. P. LaTowsky L. W. Bayliss M. : “Combustion Products of the Carbon Arc,” Jour. Ind. Hyg. and Tox. , XX (April, 1938 ), p. 312 . EXTERNAL
  • 6 MacQuiddy E. L. Tollman J. P. LaTowsky L. W. Bayliss M. : “Biological Effects of Inhalation of Carbon Arc Fumes,” Jour. Ind. Hyg. and Tox. , XX (April, 1938 ), p. 297 . EXTERNAL
  • 7 MacQuiddy E. L. Tollman J. P. LaTowsky L. W. Schonberger S. : “Tissue Reaction of Some Carbon Arc Dusts,” Jour. Ind. Hyg. and Tox. , XXI (Dec., 1939 ), p. 498 . EXTERNAL
  • 8 Tollman J. P. MacQuiddy E. L. LaTowsky L. W. : “Acute Poisoning in Animals after Intraperitoneal and Intratracheal Administration of Dusts,” Jour. Ind. Hyg. and Tox. , XXI (Dec., 1939 ), p. 514 . EXTERNAL
  • 9 MacQuiddy E. L. Tollman J. P. LaTowsky L. W. Schonberger S. : “Biological Effects of Filtered Arc Gases and Pure Nitrogen Oxides,” (from unpublished ms.). EXTERNAL
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A. C. Downes; Gases from Carbon ARCS and their Effects, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J10067
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A. C. Downes; Gases from Carbon ARCS and their Effects, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J10067

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A. C. Downes; Gases from Carbon ARCS and their Effects, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J10067
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<span class="citation">A. C. Downes; <cite>Gases from Carbon ARCS and their Effects</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940); SMPTE, 1940. Available at <a href="https://doi.org/10.5594/J10067" target="_blank" rel="noopener">https://doi.org/10.5594/J10067</a></span>

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A. C. Downes; Gases from Carbon ARCS and their Effects, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940); SMPTE, 1940
doi: 10.5594/J10067
url: https://doi.org/10.5594/J10067
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A. C. Downes; <cite id="bib-10-5594-j10067">Gases from Carbon ARCS and their Effects</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 7, July 1940); SMPTE, 1940
<span class="doi">10.5594/J10067</span>
</li>

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