Journal of the Society of Motion Picture and Television Engineers (1950-1954)

Page scan 00016 from Journal of the Society of Motion Picture and Television Engineers

Record Details:

Title:
Journal of the Society of Motion Picture and Television Engineers
Date:
1950-1954
Publisher:
Easton, Pa. : The Society
Volume:
Journal of the Society of Motion Picture and Television Engineers
Leaf #:
00016
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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Fig. 5. Developing and regeneration sections of vanadium processing machine. A carbon dioxide gas blanket was maintained over the developing-tank head on the experimental machine since there was a tendency for air to be sucked into the system. It is believed, however, that an improvement in design will eliminate this necessity and the slight oxidation that would occur could be balanced by electrolytic regeneration. Potential Applications At present, the only potential users of the vanadium system for processing motion-picture positive film are the large-scale laboratories that already have the facilities and skilled personnel necessary. The advantages of rapid development rate, effective speed increase, improved image tone, and high capacity of the vanadium development system are offset by the necessity of handling a corrosive solution, a noxious gas, and using special equipment. Further study and development will be necessary to determine the ultimate practicability of the vanadium system Rasch and Crabtree: Development by Vanadous Ion