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 ΒΌ" 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
