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

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Problems Involved in Full-Color Reproduction of Growing Chick Embryo

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Attempts to record on 16-mm. color-film the structural changes taking place during the 21-day incubation period of the hen's egg present problems varying with each day's growth. Because the authors were working with living subjects that required strict adherence to narrow tolerances in order to maintain normal embryological development and even life itself, it was necessary to adapt photography to the problem—not the reverse, as is often possible. Development of the embryo is shown in three different ways, i. e., by transmitted light, with shell entire; removal of part of the shell and subsequent photography by reflected light; removing the entire shell and placing the embryo in a watch crystal, thus showing all parts in relative sizes. In all three methods, temperature, humidity, and light control constituted the major problems. Special equipment devised to meet the requirements of both normal incubation and photography had to be built, and the use of mineral oil to obtain a transparent plane surface over the opaque, irregular, inner membrane of the egg's air-cell was evolved. Color motion pictures have provided a distinct contribution in reproducing accurately the structural changes occurring during the incubation period.
Publication Date: 1938-07-01
DOI: 10.5594/J14656
Link: https://doi.org/10.5594/J14656
Author(s): E. S. Phillips

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E. S. Phillips; Problems Involved in Full-Color Reproduction of Growing Chick Embryo, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14656

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E. S. Phillips; Problems Involved in Full-Color Reproduction of Growing Chick Embryo, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J14656

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<span class="citation">E. S. Phillips; <cite>Problems Involved in Full-Color Reproduction of Growing Chick Embryo</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/J14656" target="_blank" rel="noopener">https://doi.org/10.5594/J14656</a></span>

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<li>
E. S. Phillips; <cite id="bib-10-5594-j14656">Problems Involved in Full-Color Reproduction of Growing Chick Embryo</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 31, Issue: 1, July 1938); SMPTE, 1938
<span class="doi">10.5594/J14656</span>
</li>