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Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935)
[ACTIVE]

A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
In order to obtain machine type development in the rack process, a rack has been devised by means of which the film is moved continuously over rollers during processing. The film traces a helical path passing over rollers carried by an upper and a lower shaft, and is then led back along the bottom of the rack where a closed loop is completed by splicing the ends together. The film is propelled by rotation of the upper shaft and rollers which, in turn, are driven by a motor and a reduction gear. The lower shaft is allowed a slight parallel displacement in the vertical direction to compensate for changes in the length of the film which occur when it is wetted. A rewind and roll holder are mounted upon a removal plate for use in loading and unloading film or leader, and the film is removed to a reel for drying. A wide variety of processing conditions have been met successfully in processing sound and picture negatives and prints.
Publication Date
1935-03-01
DOI
10.5594/J10118
Link
https://doi.org/10.5594/J10118
Author(s)
C. E. Ives
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J10118.json

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C. E. Ives; A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J10118
Snippet:
C. E. Ives; A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J10118

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Preview:
C. E. Ives; A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935); SMPTE, 1935. Available at https://doi.org/10.5594/J10118
Snippet:
<span class="citation">C. E. Ives; <cite>A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935); SMPTE, 1935. Available at <a href="https://doi.org/10.5594/J10118" target="_blank" rel="noopener">https://doi.org/10.5594/J10118</a></span>

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Preview:
C. E. Ives; A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935); SMPTE, 1935
doi: 10.5594/J10118
url: https://doi.org/10.5594/J10118
Snippet:
<li>
C. E. Ives; <cite id="bib-10-5594-j10118">A Roller Developing Rack for Continuously Moving the Film during Processing by the Rack-and-Tank System</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 24, Issue: 3, March 1935); SMPTE, 1935
<span class="doi">10.5594/J10118</span>
</li>