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Report of Standards and Nomenclature Committee 37
The definition as stated, therefore, in effect, defines ''safety film" as any material having a burning time greater than ordinary newsprint.
Nomenclature
The subcommittee on nomenclature has been very active and has prepared an excellent and comprehensive list of terms with definitions. It is not proposed to submit this to the Societj^ for official approval. Having received the careful consideration and approval of this committee, it is proposed to publish the list in the Transactions as a part of the committee report and it is hoped that it will be found useful and not excite too much criticism.
The items which the committee wishes to present now for initial acceptance by the Socitey are :
1. Taking speed.
Standard taking speed shall be 24 pictures per second.
2. Projection speed.
Standard projection speed shall be 24 pictures per second.
3. The scanning slit (for combined sound and pictures on 35 mm. film) shall be located 14.5 inches below the picture gate.
4. Location and width of the sound track on combined sound and picture positives.
The location and dimensions of the sound track area as recommended by the committee for standardization is shown in Fig. 4. These dimensions are identical with those applying to the same distances in Fig. 1 In Fig. 4, however, only those dimensions pertinent to this particular item of standardization are given. If the Society sees fit to adopt these dimensions as a standard Fig. 4 wall then be placed and incorporated in the body of our standards as a chart similar to those already adopted showing film and sprocket dimensions.
5. Number of teeth in contact with the film shall be the number of teeth in the arc of contact of the film with the drum of the sprocket, the pulling face of one tooth being at the origin of the arc.
6. The term Safety film may be applied to any material, either uncoated support, support coated with emulsion, or the exposed and processed product, which has a burning