1. Cinematography. 65 mm and 70 mm film. Sound. Specification for the location and dimensions of six-track magnetic sound records on 70 mm motion-picture release prints with magnetic stripes Part 4.4.1, (15th July 1992) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗