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Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954)
[ACTIVE]

Development of Motion-Picture Positive Film by Vanadous Ion

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
62, No. 1, pp. 1–10
Abstract
The inorganic developer system of Roman, employing divalent vanadium ion as the active developing agent, has been further investigated. A solution prepared from vanadium pentoxide, sulfuric and hydrobromic acids, and reduced by electrolysis was found to double the speed of motion-picture positive emulsions with development times of the order of 20 sec at 60 F. Other sensitometric properties can be controlled to match those produced by conventional processing. A motion-picture film-processing machine employing the vanadium developer has been devised and tested and is described. Developer activity is maintained by continuous electrolytic regeneration of the solution, with replenishment made only to balance carryover losses.
Publication Date
1954-01-01
DOI
10.5594/J17052
ISSN
Print: 0898-042X
Link
https://doi.org/10.5594/J17052
Author(s)
A. A. RaschCrabtree, Research Laboratories, Eastman Kodak Co., Rochester 4, N. Y.
J. I. CrabtreeCrabtree, Research Laboratories, Eastman Kodak Co., Rochester 4, N. Y.
Copyright
© 1954 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Mees C. E. K. The Theory of the Photographic Process The Macmillan Co. , New York, N.Y. , 1942 , pp. 332 – 337 . EXTERNAL
  • 2. Fuchs E. “Entwicklung photographischer Schichten auf electrischem Wege,” Phot. Ind , 28 927 , 1930 EXTERNAL
  • 3. Liesegang R. E. “Entwicklungs-Ver-suche,” Phot. Arch 282 , 1895 . EXTERNAL
  • 4. (a) Rzymkowski J. “Titan (III)— Oxolat als photographischer Ent-wickler,” Archiv Za Kemiju , 20 : 26 – 45 , 1948 . EXTERNAL
  • (b) See also Rzymkowski J. “Metall komplexsysteme des Typus AIk x (R,COO) y Me, als photographische Entwickler,” Z. wiss. Phot. , 40 : 136 , 1941 EXTERNAL
  • 5. Lumieŕe A. Lumieŕe L. “Sur les propriété's des sels de vanadium,” Bull. soc. franc. phot ., 10 : 108 , 1894 (2). EXTERNAL
  • 6. Tobin Druggist Circular , 43 : 184 , Oct. 1899 EXTERNAL
  • 7. Roman P. “Préparation et régéneration électrolytiques de révélateurs photo-graphiques,” Sci. et inds. Phot ( 2 ), 23 : 417 – 426 , 1952 EXTERNAL
  • 8. Fortmiiler L. J. and James T. H. (to be published in J. Phot. Sci. [Section B of The Photographic Journal of the Royal Photographic Society]) . EXTERNAL
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A. A. Rasch and J. I. Crabtree; Development of Motion-Picture Positive Film by Vanadous Ion, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954); SMPTE, 1954. Available at https://doi.org/10.5594/J17052
Snippet:
A. A. Rasch and J. I. Crabtree; Development of Motion-Picture Positive Film by Vanadous Ion, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954); SMPTE, 1954. Available at https://doi.org/10.5594/J17052

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A. A. Rasch and J. I. Crabtree; Development of Motion-Picture Positive Film by Vanadous Ion, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954); SMPTE, 1954. Available at https://doi.org/10.5594/J17052
Snippet:
<span class="citation">A. A. Rasch and J. I. Crabtree; <cite>Development of Motion-Picture Positive Film by Vanadous Ion</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954); SMPTE, 1954. Available at <a href="https://doi.org/10.5594/J17052" target="_blank" rel="noopener">https://doi.org/10.5594/J17052</a></span>

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A. A. Rasch and J. I. Crabtree; Development of Motion-Picture Positive Film by Vanadous Ion, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954); SMPTE, 1954
doi: 10.5594/J17052
url: https://doi.org/10.5594/J17052
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<li>
A. A. Rasch and J. I. Crabtree; <cite id="bib-10-5594-j17052">Development of Motion-Picture Positive Film by Vanadous Ion</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 62, Issue: 1, January 1954); SMPTE, 1954
<span class="doi">10.5594/J17052</span>
</li>

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