The Movie-Sound-8 Projector

The first commercial 8-mm sound projector has been introduced with the sound on a disk running at 33 1/3 revolutions per minute. An automatic-synchronization method is used, and the turntable and the projector are not mechanically connected. Eight-millimeter sound films for use with the machine are available.

Print ISSN

0097-5834

Published

1947-11

Content type

Original Research

DOI

10.5594/J12678