- Accession Number:
- 2005.34.269-273
- Description:
- (5) strips of posed shots of APH sound technician, Johnny Zinninger, calibrating a Revox C274 four track tape machine in the mastering department. The C274 was used for creating �" tape intermasters that were shipped to regional libraries. The intermasters were used by the lbraries for on-demand cassette dubbing in their own facilities.
- Date:
- 1992
- Subjects:
- Talking books
