Sound Recording Gate for Early Process

sound recording gate for early process. Two brass blocks, hinged, milled to accept 35mm film. One has inserted optical slit, 1mm long leaving 1.5cm for picture width. The other is velvet covered with inserted velvet tipped screw pressure pad. C.1920

Details

Category:
Cinematography
Collection:
Kodak Collection
Object Number:
1990-5036/3241
Materials:
brass and velvet
type:
sound recorder
credit:
The Kodak Collection at the National Media Museum, Bradford