| MARC21-007: Dimensions of video |
3/4 in. |
3/4 in. |
definition |
en |
| MARC21-007: Dimensions of video |
3/4 in. |
r |
notation |
en |
| MARC21-007: Dimensions of video |
unknown |
unknown |
preferred label |
en |
| MARC21-007: Dimensions of video |
unknown |
Width is not known. |
definition |
en |
| MARC21-007: Dimensions of video |
unknown |
u |
notation |
en |
| MARC21-007: Dimensions of video |
other |
other |
preferred label |
en |
| MARC21-007: Dimensions of video |
other |
Dimensions other than 8 mm., 1/4 in., 1/2 in., 1 in., 2 in., 3/4 in. |
definition |
en |
| MARC21-007: Dimensions of video |
other |
z |
notation |
en |
| MARC21-007: Dimensions of video |
other |
Used for videodisc dimensions since standard code values for videodiscs do not yet exist. |
scope note |
en |
| MARC21-007: Emulsion on film of microform |
silver halide |
silver halide |
preferred label |
en |
| MARC21-007: Emulsion on film of microform |
silver halide |
A compound of silver and halogens. |
definition |
en |
| MARC21-007: Emulsion on film of microform |
silver halide |
a |
notation |
en |
| MARC21-007: Emulsion on film of microform |
diazo |
diazo |
preferred label |
en |
| MARC21-007: Emulsion on film of microform |
diazo |
Sensitized layers composed of diazonium salts that react with couplers to form dye images. The color of the image is determined by the composition of the diazonium compound as well as the couplers used in the process. |
definition |
en |
| MARC21-007: Emulsion on film of microform |
diazo |
b |
notation |
en |
| MARC21-007: Emulsion on film of microform |
vesicular |
vesicular |
preferred label |
en |
| MARC21-007: Emulsion on film of microform |
vesicular |
Light-sensitive component is suspended in a plastic layer. On exposure, the component creates optical vesicules (bubbles) in the layers. These bubbles form the latent image. The latent image becomes visible and fixed by heating the plastic layer and then allowing it to cool. |
definition |
en |
| MARC21-007: Emulsion on film of microform |
vesicular |
c |
notation |
en |
| MARC21-007: Emulsion on film of microform |
mixed emulsion |
mixed emulsion |
preferred label |
en |
| MARC21-007: Emulsion on film of microform |
mixed emulsion |
Mixed emulsion. |
definition |
en |