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Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941)
[ACTIVE]

Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The duplication of 16-mm films involves many relatively intricate problems not encountered in the laboratory processing of 35-mm sound-films. These problems have given rise to procedures and apparatus radically different from those in use in 35-mm. The two major differences that are especially significant are (1) the use of reversal for original films; (2) the existence of but one row of sprocket-holes on the 16-mm sound-film. It is interesting to note that all our present standards in 16-mm blindly assume the negative-positive method of operation, ignoring entirely the reversal and Kodachrome. At the present time even the emulsion position of the 16-mm film is standardized on the basis of a 35-mm sound negative and 35-mm picture negative as originals. As a result, our 16-mm dimensions so derived from 35-mm are inconsistent with the projector dimensions at present in use, and inconsistent with the pressing needs arising from the direct 16-mm field. Much of the difficulty arises from the rather obvious lack of concern displayed by the 35-mm entertainment industry and the very rapid simultaneous growth of direct 16-mm in educational and industrial applications especially in connection with the duplication of sound on Kodachrome. Some of the special processes and special apparatus features involved are described which have made possible workable solutions to the problems involved.
Publication Date
1941-02-01
DOI
10.5594/J09994
Link
https://doi.org/10.5594/J09994
Author(s)
WM. H. Offenhauser
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WM. H. Offenhauser; Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J09994
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WM. H. Offenhauser; Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J09994

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WM. H. Offenhauser; Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J09994
Snippet:
<span class="citation">WM. H. Offenhauser; <cite>Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941); SMPTE, 1941. Available at <a href="https://doi.org/10.5594/J09994" target="_blank" rel="noopener">https://doi.org/10.5594/J09994</a></span>

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WM. H. Offenhauser; Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941); SMPTE, 1941
doi: 10.5594/J09994
url: https://doi.org/10.5594/J09994
Snippet:
<li>
WM. H. Offenhauser; <cite id="bib-10-5594-j09994">Some Laboratory Problems in Processing 16-MM Black-and-White and Color-Films</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 2, February 1941); SMPTE, 1941
<span class="doi">10.5594/J09994</span>
</li>