Du Pont Fine-Grain Sound Films—Types 232 and 236

Hollis W. Moyse

A description is given of the characteristics of 2 new du Pont fine-grain sound films. Type 232 is a positive used for white-light printing in conjunction with high gamma variable-density sound track negatives. Type 236 is a fine-grain recording negative film adaptable to both low and high gamma variable-density sound recording techniques.

Print ISSN
Published
1945-10
Content type
Original Research
DOI
10.5594/J12828