Society of Motion Picture and Television Engineers - Proposed Change in the Present Standards of 35 mm. Film Perforations

Author(s): A. S. Howell ; J. A. Dubray
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 April 1932
Volume: 18
Page(s): 503 - 511
ISSN (Paper): 0097-5834
DOI: 10.5594/J01342
Regular:

There are at the present time two standards of 35 mm. film perforation, one known as the Bell & Howell perforation for negative films and the other the rectangular perforation for positive films,... View More

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