Improved Synchronizing Apparatus for Sixteen Millimeter Films with Disk Records

William H. Bristol

The purpose of this paper is to describe and demonstrate an improved synchronizing apparatus for 16 mm. films with disk records which in general may be attached to any 16 mm. projector without any change being required in the projector itself.

Print ISSN
Published
1930-10
Content type
Original Research
DOI
10.5594/J14775