| MARC21-007: Base of film of motion pictures |
safety base, undetermined |
safety base, undetermined |
preferred label |
en |
| MARC21-007: Base of film of motion pictures |
safety base, undetermined |
Safety base film whose type has not been identified. |
definition |
en |
| MARC21-007: Base of film of motion pictures |
safety base, undetermined |
a |
notation |
en |
| MARC21-007: Base of film of motion pictures |
safety base, acetate undetermined |
safety base, acetate undetermined |
preferred label |
en |
| MARC21-007: Base of film of motion pictures |
safety base, acetate undetermined |
Acetate safety base film whose exact type cannot be determined, i.e., where it is unknown if the type is diacetate or triacetate. |
definition |
en |
| MARC21-007: Base of film of motion pictures |
safety base, acetate undetermined |
c |
notation |
en |
| MARC21-007: Base of film of motion pictures |
safety base, diacetate |
safety base, diacetate |
preferred label |
en |
| MARC21-007: Base of film of motion pictures |
safety base, diacetate |
Cellulose diacetate film base. |
definition |
en |
| MARC21-007: Base of film of motion pictures |
safety base, diacetate |
d |
notation |
en |
| MARC21-007: Base of film of motion pictures |
safety base, diacetate |
Introduced before World War I for home movies, diacetate base was more expensive and unpredictable than nitrate base and so failed to gain acceptance in professional 35 mm. film production. |
scope note |
en |
| MARC21-007: Base of film of motion pictures |
nitrate base |
nitrate base |
preferred label |
en |
| MARC21-007: Base of film of motion pictures |
nitrate base |
Cellulose nitrate film base. |
definition |
en |
| MARC21-007: Base of film of motion pictures |
nitrate base |
i |
notation |
en |
| MARC21-007: Base of film of motion pictures |
nitrate base |
Cellulose nitrate support or base was used in the manufacture of 35 mm. film (and some 17.5 mm. film) until 1951. Nitrate base film is no longer manufactured. |
scope note |
en |
| MARC21-007: Base of film of motion pictures |
mixed base (nitrate and safety) |
mixed base (nitrate and safety) |
preferred label |
en |
| MARC21-007: Base of film of motion pictures |
mixed base (nitrate and safety) |
Combination of nitrate base and safety base film. |
definition |
en |
| MARC21-007: Base of film of motion pictures |
mixed base (nitrate and safety) |
m |
notation |
en |
| MARC21-007: Base of film of motion pictures |
mixed base (nitrate and safety) |
The use of a mixed base was common in the early 1950s when nitrate base stock shots were spliced with safety base film for low-budget motion pictures. In such releases, up to 50% of the film consisted of stock shots on nitrate base film. |
scope note |
en |
| MARC21-007: Base of film of motion pictures |
not applicable |
not applicable |
preferred label |
en |
| MARC21-007: Base of film of motion pictures |
not applicable |
Item does not have a film base. |
definition |
en |
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