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Report of Standards and Nomenclature Committee 237
cannot approve the introduction of such hmiting terms without such authorization.
The Standards Committee report in the Xo. 14 Transactions^ Boston, 1922, re-submitted drawings of the standard and safety standard fihn, but with the word 'TrofessionaP^ omitted from the standard fihii. These drawings and dimensions were approved by the Society, and reported on page 188 of the No. 14 Transactions. The shght change made, however, necessitated the material la^'ing over six months before it could be officially adopted by the Society.
In the Xo. 15 Transactions, Rochester, October, 1922, the Standards Committee report, page 132, reads in part as follows: Perforated ^Motion-Picture Film —
The Committee has just learned that the Eastman Kodak Compam' is now compiling data on the shrinkage of film, and on the dimensions of sprocket models manufactured by the various companies. The results of this, a study far more exhaustive than can be made by the Committee, will be available to the Society, probably by the meeting next Spring. The Committee, therefore, suggests that the Societ}^ wait until that time before again considering the standardization of the dimensions of perforated film.
The No. 16 Transactions, Atlantic City, :\Iay, 1923, page 308, contain the following portion of the Standards Committee report dealing with newly perforated motion picture film: ^The matter of film perforation has been discussed during the present session in connection with the work of the Committee on Film Perforations, and has been referred back to that Committee for further consideration."
The net result of this is, that the Societ}' has not yet officially adopted the dimensions for newly perforated motion-picture film.
It also appears that whereas the dimensions and cuts referred to above show a film width of the 35 m.m. size of 1.375'', the film manufacturers have actually been cutting to a maximum width of 35 m.m. or 1.3779" and not 1.375", and a minimum of 34.95 m. m. This being the case, and as 35 m. m. is 1.3779, and not 1.375, it seems highly desirable to correct our standard.
It also appears that most of the positive film is now being perforated with round corners in the sprocket holes. Negative film is still being made with square corners. This would necessitate standards varying in this respect for positive and negative raw stock.
The 16 m.m. film seems to be coming into general favor, and it would seem desirable to standardize the dimensions for this film also.
Recommendation
Therefore, to bring this whole matter to a head, 3'our Standards Committee instructed ^Ir. J. G. Jones to prepare a complete report showing all dimensions of 35 m.m., 28 m.m. and 16 m.m. film. This report has been submitted to all film manufacturers, and is presented herewith, with a recommendation that the Societ} accept the report preparatory to officially standardizing it after the usual six months consideration.