Causes and Prevention of Static Markings on Motion-Picture Film
W. I. Kisner · Journal of the SMPTE · 1958
Streaks, blotches or other types of markings seen on processed film can often be traced to discharges of static electricity although the patterns produced are not always easily recognized as being due to this cause. Examples are shown of various types of markings which originate in different ways. Some suggested procedures for minimizing the occurrence of these markings are outlined.