| MARC21-007: Base of film of microform |
mixed base (nitrate and safety) |
Combination of nitrate base and safety base film. |
definition |
en |
| MARC21-007: Base of film of microform |
mixed base (nitrate and safety) |
m |
notation |
en |
| MARC21-007: Base of film of microform |
not applicable |
not applicable |
preferred label |
en |
| MARC21-007: Base of film of microform |
not applicable |
A reflective rather than a transparent base. |
definition |
en |
| MARC21-007: Base of film of microform |
not applicable |
n |
notation |
en |
| MARC21-007: Base of film of microform |
not applicable |
Used for microopaques (which can be termed microcard or microprint). |
scope note |
en |
| MARC21-007: Base of film of microform |
safety base, polyester |
safety base, polyester |
preferred label |
en |
| MARC21-007: Base of film of microform |
safety base, polyester |
Film base is made of a synthetic resin (e.g., estar). |
definition |
en |
| MARC21-007: Base of film of microform |
safety base, polyester |
p |
notation |
en |
| MARC21-007: Base of film of microform |
safety base, mixed |
safety base, mixed |
preferred label |
en |
| MARC21-007: Base of film of microform |
safety base, mixed |
Mixed safety base films are spliced together; no nitrate film. |
definition |
en |
| MARC21-007: Base of film of microform |
safety base, mixed |
r |
notation |
en |
| MARC21-007: Base of film of microform |
safety base, triacetate |
safety base, triacetate |
preferred label |
en |
| MARC21-007: Base of film of microform |
safety base, triacetate |
Cellulose triacetate film base. |
definition |
en |
| MARC21-007: Base of film of microform |
safety base, triacetate |
t |
notation |
en |
| MARC21-007: Base of film of microform |
unknown |
unknown |
preferred label |
en |
| MARC21-007: Base of film of microform |
unknown |
u |
notation |
en |
| MARC21-007: Base of film of microform |
other |
other |
preferred label |
en |
| MARC21-007: Base of film of microform |
other |
Base of film other than safety base, undetermined, safety base, acetate undetermined, safety base, diacetate, nitrate base, mixed base (nitrate and safety), not applicable, safety base, polyester, safety base, mixed, safety base, triacetate. |
definition |
en |
| MARC21-007: Base of film of microform |
other |
z |
notation |
en |