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Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938)
[ACTIVE]

The Shrinkage of Acetate-Base Motion Picture Films

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A simple direct-reading film-shrinkage gauge has been constructed with which shrinkage readings may be made in a few seconds. The accuracy of the instrument is such that the maximum variation in a series of readings made upon a particular film will not be more than 0.02 per cent of the predetermined length measured. Readings have been taken systematically with this instrument over a period of five months to determine the shrinkage behavior of acetate-base films under various conditions of storage and use. The results indicate that the safety-base film made by each of the three American manufacturers has a characteristic value of shrinkage that is ordinarily reached within a few days after processing. Subsequent shrinkage is slow but continuous over a long period of time. The ultimate shrinkage is of the order of 1.25 per cent except in the case of films that have been projected many times on projectors using high-wattage lamps. The bearing of this shrinkage information upon equipment design is discussed briefly.
Publication Date
1938-07-01
DOI
10.5594/J14650
Link
https://doi.org/10.5594/J14650
Author(s)
J. A. Maurer, W. Bach
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J. A. Maurer and W. Bach; The Shrinkage of Acetate-Base Motion Picture Films, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14650
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J. A. Maurer and W. Bach; The Shrinkage of Acetate-Base Motion Picture Films, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14650

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J. A. Maurer and W. Bach; The Shrinkage of Acetate-Base Motion Picture Films, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14650
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<span class="citation">J. A. Maurer and W. Bach; <cite>The Shrinkage of Acetate-Base Motion Picture Films</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at <a href="https://doi.org/10.5594/J14650" target="_blank" rel="noopener">https://doi.org/10.5594/J14650</a></span>

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J. A. Maurer and W. Bach; The Shrinkage of Acetate-Base Motion Picture Films, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938
doi: 10.5594/J14650
url: https://doi.org/10.5594/J14650
Snippet:
<li>
J. A. Maurer and W. Bach; <cite id="bib-10-5594-j14650">The Shrinkage of Acetate-Base Motion Picture Films</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938
<span class="doi">10.5594/J14650</span>
</li>