New High Intensity Rotating Positive Carbons for Motion-Picture Projection

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: New 10mm and 11mm High Intensity Projector carbons have been developed for rotating positive-carbon-type motion-picture projection lamps. These carbons, designed for 95-110 and 110-120 amp, respectively, give substantial increases in light and efficiency, and operate with greater stability than former carbons of the same size and type. Performance data are presented.
Publication Date: 1957-05-01
DOI: 10.5594/J11255
Link: https://doi.org/10.5594/J11255
Author(s): R. B. Dull, J. G. Kemp, E. A. Neel

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R. B. Dull, J. G. Kemp, and E. A. Neel; New High Intensity Rotating Positive Carbons for Motion-Picture Projection, Journal of the SMPTE ( Volume: 66, Issue: 5, May 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J11255

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R. B. Dull, J. G. Kemp, and E. A. Neel; New High Intensity Rotating Positive Carbons for Motion-Picture Projection, Journal of the SMPTE ( Volume: 66, Issue: 5, May 1957); SMPTE, 1957. Available at https://doi.org/10.5594/J11255

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<span class="citation">R. B. Dull, J. G. Kemp, and E. A. Neel; <cite>New High Intensity Rotating Positive Carbons for Motion-Picture Projection</cite>, Journal of the SMPTE ( Volume: 66, Issue: 5, May 1957); SMPTE, 1957. Available at <a href="https://doi.org/10.5594/J11255" target="_blank" rel="noopener">https://doi.org/10.5594/J11255</a></span>

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<li>
R. B. Dull, J. G. Kemp, and E. A. Neel; <cite id="bib-10-5594-j11255">New High Intensity Rotating Positive Carbons for Motion-Picture Projection</cite>, Journal of the SMPTE ( Volume: 66, Issue: 5, May 1957); SMPTE, 1957
<span class="doi">10.5594/J11255</span>
</li>