Journal of the Society of Motion Picture Engineers ( Volume: 38, Issue: 3, March 1942)

[ACTIVE]

New 13.6-MM Carbons for Increased Screen Light

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 38, No. 3, pp. 229–234
Abstract: A new 13.6-mm super high-intensity carbon designed for 170-ampere operation gives a substantial increase in light over either the old 180-ampere 13.6-mm super carbon or the 125 to ISO-ampere new regular 13.6-mm carbon described previously.6The new regular and super carbons are compared with the old carbons as to light available on the screen and as to efficiency of light production.
Publication Date: 1942-03-01
DOI: 10.5594/J09915
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J09915
Author(s): M. T. Jones
W. W. Lozier
D. B. JoyNational Carbon Company, Fostoria, Ohio.
Copyright: © 1942 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1 Joy D. B. Downes A. C. : “Characteristics of High-Intensity Arcs,” J. Soc. Mot. Pict. Eng. , XIV (March, 1930 ), p. 291 . EXTERNAL
2 Joy D. B. : “A 13.6-Mm Super High-Intensity Carbon for Projection,” J. Soc. Mot. Pict. Eng. , XXVII (Sept., 1936 ), p. 243 . EXTERNAL
3 Rayton W. B. : “New Lenses for Projecting Motion Pictures,” J. Soc. Mot. Pict. Eng. , XXXV (July, 1940 ), p. 89 . EXTERNAL
4 “Report of the Standards Committee,” J. Soc. Mot. Pict. Eng. , XXXVI (March, 1941 ), p. 266 . EXTERNAL
5 Joy D. B. Lozier W. W. Null M. R. : “Carbons for Transparency Process Projection in Motion Picture Studios,” Soc. Mot. Pict. Eng. , XXXIII (Oct., 1939 ), p. 353 . EXTERNAL
6 Jones M. T. Lozier W. W. Joy D. B. : “A New 13.6-Mm High-Intensity Projector Carbon,” J. Soc. Mot. Pict. Eng. , XXXVII (Nov., 1941 ), p. 539 . EXTERNAL
7 Cook A. A. : “A Review of Projector and Screen Characteristics and Their Effects upon Screen Brightness,” J. Soc. Mot. Pict. Eng. , XXVI (May, 1936 ), p. 522 . EXTERNAL
8 Lozier W. W. Joy D. B. Simon R. W. : “A New Negative Carbon for Low-Amperage High-Intensity Trims,” J. Soc. Mot. Pict. Eng. , XXXV (Oct., 1940 ), p. 349 . EXTERNAL
9 Lozier W. W. Cranch G. E. Joy D. B. : “Recent Developments in 8-Mm Copper-Coated High-Intensity Positive Carbons,” J. Soc. Mot. Pict. Eng. , XXXVI (Feb., 1941 ), p. 198 . EXTERNAL

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M. T. Jones, W. W. Lozier, and D. B. Joy; New 13.6-MM Carbons for Increased Screen Light, Journal of the Society of Motion Picture Engineers ( Volume: 38, Issue: 3, March 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09915

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M. T. Jones, W. W. Lozier, and D. B. Joy; New 13.6-MM Carbons for Increased Screen Light, Journal of the Society of Motion Picture Engineers ( Volume: 38, Issue: 3, March 1942); SMPTE, 1942. Available at https://doi.org/10.5594/J09915

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<span class="citation">M. T. Jones, W. W. Lozier, and D. B. Joy; <cite>New 13.6-MM Carbons for Increased Screen Light</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 38, Issue: 3, March 1942); SMPTE, 1942. Available at <a href="https://doi.org/10.5594/J09915" target="_blank" rel="noopener">https://doi.org/10.5594/J09915</a></span>

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<li>
M. T. Jones, W. W. Lozier, and D. B. Joy; <cite id="bib-10-5594-j09915">New 13.6-MM Carbons for Increased Screen Light</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 38, Issue: 3, March 1942); SMPTE, 1942
<span class="doi">10.5594/J09915</span>
</li>