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Transparency : Approximately the same. Any difference would be slightly in favor of the nitrate base.
Possibility of Standardizing the Printing of Motion Picture Film
Mr. Story of the Optics Committee wrote a letter to the Chairman on January 7th on this subject, which letter was copied and sent to the Members of the Committee.
Mr. A. B. Hitchins and Mr. W. R. Rothacker both wrote that they would take up the investigation of this line of work, Mr. Rothacker stating that he would have Mr. Aller of their California laboratory work directly with Mr. Story. Mr. Hitchins met the Chairman in New York on February 7th, at which time he said that he had heard from Mr. Story and would take the matter up directly with him. On April 6th Dr. Story wrote as follows:
"The only work that has been done, as far as I know, is a paper read before the Allied Film Laboratories Association on this subject, in an effort to interest them sufficiently to make some experiments on their own account, either individually or as a society. As far as I have heard, this has not been done up to the present."
Both Mr. Blair and the writer, however, feel that the efforts in this direction will not be productive of any immediate commercial advantage. It would seem that it would first be necessary to standardize the theatres of the world and, that we know, is almost an impossibility. We can take an average screen illumination and determine the type of positive, that would be suitable for the greatest number of a committee, arbitrarily set that density as a standard and then urge theatres to provide screen illumination suitable for that type of positive. The human element is an important factor again at that stage, for what will suit one, will not suit another.
Mr. Rothacker submitted a paper on April 29th from which the following is summarized:
"Literal density standardization of all prints finding their way on to the theatre screens probably never will become a fact.
"To standardize the density of positive films and to bring about a uniform result on the screen it is not only necessary to standardize density in the laboratory. Of vital importance is the element of projection. As a matter of fact, even if the density of the print were regulated to a mathematical 100% perfection, all of the beneficial results obtained through careful laboratory work would be lost in the projection booth, unless we have standardized projection to back up standardized print density.
"So, to summarize, while a great stride toward standardization of print density can be made directly through the laboratory, yet the fact remains that proper standardization is dependent upon the strength of the chain between the Eastman Kodak Company and the eyes of the audience, which chain is comprised of these links: raw stock, negative exposure, negative developing, proper printing, proper exchange processing, proper projection with standardized throw, light and screen — and, after all, a chain is no stronger than its weakest link."
No formal action has been taken by the Committee and nothing further will be done, unless there is a call for it.
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