BS 2829:1957
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for 35-mm magnetic sound recording azimuth alignment test films
BSI Group , 04/10/1957
For alignment of individual magnetic heads recording within 0.45 in on either side of centre line of film. Cutting and perforating dimensions, coating leaders, identification, sound-tracks. Storage of cellulose acetate film.
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