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Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926)
[ACTIVE]

Rack Marks and Airbell Markings on Motion Picture Film

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Volume
10, No. 24, pp. 95–112
Abstract
When developing motion picture film by the rack and tank system it is very difficult to secure uniform development throughout the entire length of the film. Unless special precautions are taken, more development occurs at the top and bottom of the rack where the film passes over the end slats or bars than along the sides, so that bands of greater density occur at intervals corresponding with the height of the rack, which cause an objectionable flicker when the film is projected. These dark markings are termed “rack marks.”
Publication Date
1926-03-01
DOI
10.5594/J10307
ISSN
Print: 0096-6460
Link
https://doi.org/10.5594/J10307
Author(s)
J. I. Crabtree
C. E. Ives
Copyright
© 1926 Society of Motion Picture and Television Engineers, Inc.
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J. I. Crabtree and C. E. Ives; Rack Marks and Airbell Markings on Motion Picture Film, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926); SMPTE, 1926. Available at https://doi.org/10.5594/J10307
Snippet:
J. I. Crabtree and C. E. Ives; Rack Marks and Airbell Markings on Motion Picture Film, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926); SMPTE, 1926. Available at https://doi.org/10.5594/J10307

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J. I. Crabtree and C. E. Ives; Rack Marks and Airbell Markings on Motion Picture Film, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926); SMPTE, 1926. Available at https://doi.org/10.5594/J10307
Snippet:
<span class="citation">J. I. Crabtree and C. E. Ives; <cite>Rack Marks and Airbell Markings on Motion Picture Film</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926); SMPTE, 1926. Available at <a href="https://doi.org/10.5594/J10307" target="_blank" rel="noopener">https://doi.org/10.5594/J10307</a></span>

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Preview:
J. I. Crabtree and C. E. Ives; Rack Marks and Airbell Markings on Motion Picture Film, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926); SMPTE, 1926
doi: 10.5594/J10307
url: https://doi.org/10.5594/J10307
Snippet:
<li>
J. I. Crabtree and C. E. Ives; <cite id="bib-10-5594-j10307">Rack Marks and Airbell Markings on Motion Picture Film</cite>, Transactions of the Society of Motion Picture Engineers ( Volume: 10, Issue: 24, March 1926); SMPTE, 1926
<span class="doi">10.5594/J10307</span>
</li>