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Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940)
[ACTIVE]

Solution Agitation by Means of Compressed Air

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
34, No. 4, pp. 364–374
Abstract
Agitation of the developing bath by means of compressed air or other gas is most effective when the upward stream of air bubbles is made to follow the surface of the film. When the air is released at the bottom of the tank, the induced stream usually passes up through one portion of the tank without reaching all parts of the film. The stream can be made to follow the surface of the film in a vertical rack type developing machine by the use of an air distributing gridwork which discharges the air at a large number of points distributed along the film strands from bottom to top of the rack.
Publication Date
1940-04-01
DOI
10.5594/J14628
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J14628
Author(s)
C. E. Ives
C. J. KunzKodak Research Laboratories, Rochester, New York
Copyright
© 1940 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Clark W : “Standard Development,” Phot. J. , 49 (Feb., 1925 ), pp. 76 – 89 . EXTERNAL
  • Hatfield M. R. , “Fluid Flow through Porous Carbon,” Ind. Eng. Chem. , 31 ( 1939 ), pp. 1419 – 1424 . EXTERNAL
  • 2. Crabtree J : “Directional Effects in Continuous Film Processing,” J. Soc. Mot. Pict. Eng. , XVIII (Feb., 1932 ), p. 207 . EXTERNAL
  • Crabtree J. Waddell J. H. : “Directional Effects in Sound Film Processing—II,” J. Soc. Mot. Pict. Eng. , XXI (Nov., 1933 ), p. 351 . EXTERNAL
  • 3. Crabtree J. I. Schwingel C. H. : “The Effect of Aeration on the Photographic Properties of Developers,” J. Soc. Mot. Pict. Eng. , XXXIV (April, 1940 ), p. 375 . EXTERNAL
  • 4. Hickman K. C. D. Hyndman D. E. : “Plastic Cellulose in Scientific Research,” J. Frank. Inst. , 207 ( 1929 ), p. 231 . EXTERNAL
  • 5. Miyagi O : “Theory of the Air-Lift Pump with Special Reference to the Slip of Air Bubbles in Water,'’ Tech. Reports Tohoku. Imp. Univ. , 4 , No. 2 ( 1924 ), pp. 1–18. (Discussed in Bull. No. 84, Nat. Res. Council, “Hydrodynamics” (1932), p. 304.). EXTERNAL
  • O'Brien M. P. Gosline J. E. : “Velocity of Large Bubbles in Vertical Tubes,” Ind. Eng. Chem. , 27 (Dec. 1935 ), p. 1436 . EXTERNAL
  • 6. Broadwell B. E. Werking L. C. : U. S. Pat. 1,988,478 (Jan. 22, 1935 ). EXTERNAL
  • Werking L. C. : “Fabricated Porous Carbon,” Trans. Electrochem. Soc. , 74 ( 1938 ), pp. 365 – 374 . EXTERNAL
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C. E. Ives and C. J. Kunz; Solution Agitation by Means of Compressed Air, Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J14628
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C. E. Ives and C. J. Kunz; Solution Agitation by Means of Compressed Air, Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J14628

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C. E. Ives and C. J. Kunz; Solution Agitation by Means of Compressed Air, Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J14628
Snippet:
<span class="citation">C. E. Ives and C. J. Kunz; <cite>Solution Agitation by Means of Compressed Air</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940); SMPTE, 1940. Available at <a href="https://doi.org/10.5594/J14628" target="_blank" rel="noopener">https://doi.org/10.5594/J14628</a></span>

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C. E. Ives and C. J. Kunz; Solution Agitation by Means of Compressed Air, Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940); SMPTE, 1940
doi: 10.5594/J14628
url: https://doi.org/10.5594/J14628
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<li>
C. E. Ives and C. J. Kunz; <cite id="bib-10-5594-j14628">Solution Agitation by Means of Compressed Air</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 34, Issue: 4, April 1940); SMPTE, 1940
<span class="doi">10.5594/J14628</span>
</li>

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