BS 5550-3.9.1:1980:1949 Edition
$86.31
Cinematography. 35 mm film. Projector spools – Specification for 35 mm film spools of 610 m capacity (38 cm size) for release prints
Published By | Publication Date | Number of Pages |
BSI | 1949 | 8 |
This British Standard prescribes the requirements for spools with metal flanges, to take standard 2,000 ft. 35-mm. cinematograph release prints and accommodate the maximum permissible length of 2,050 ft. of film.
The standard specifies dimensions, essential points of construction, accuracy of assembly, the materials to be used, and the finish required.
The standard also provides for the need to earth the spool and film to permit discharge of any static electricity that may accumulate during use.
Spools with metal flanges. Dimensions, construction, accuracy of assembly, materials, finish.