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SELECTED BIBLIOGRAPHY 363
Even such a simple storage technique is adequate for safety-base films such as 16-mm, since the additional effectiveness of further measures is doubtful and costly. Until such time as the more complicated procedures justify their high costs, they may be looked upon with suspicion.
In storing color films such as Kodachrome and AnscoColor it should be noted that the dyes of these films are fugitive. Deterioration is quite slow if stored as recommended. In the event that long-term preservation is needed, separation negatives may be made on a black-and-white film such as Eastman 5203. Further information may be obtained directly from the film manufacturer. It is usually a good plan to provide such information as the emulsion lot number and emulsion number, and any processing numbers that will establish the date on which the film was processed and the particular color-developing laboratory concerned. Manufacturers keep accurate manufacturing and processing logs of their operations and can provide special suggestions should it become necessary to compensate for some slight deviation from the theoretical norm.
Preservation plans should be made before the first camera exposes the first frame of film. When this is done, the disappointment that comes from the rapid and uncontrolled deterioration of the original is avoided, and print consistency, usually next to impossible without suitable planning, becomes practicable. Preservation for a period of -5 to 10 years under the suggested conditions is practicable with present-day materials. Should preservation over longer periods be desired, great care in all handling and storage of the film will be required. Suggestions on preservation should be sought in such cases from the manufacturers of the film materials concerned.
Selected Bibliography
For bibliographic material the reader is referred to the following indexes to the Journal of the Society of Motion Picture Engineers.
July 191 6June 1930 "Film Preservation," page 128.
January 1930-December 1935 "Film Preservation," page 26. "Film, Storage," page 26.
1936-1945 "Film, Storage and Preservation," page 92. "SMPE Activities, Film Preservation Reports," page 128.