Wallaston's diaphragmatic shutter

PART OF:
The Kodak Museum Collection
Made:
1883-1893 in London
maker:
Mudford

Large shutter with 58mm od lens thread. Contains rotating aperture plate with 7 apertures. Two shutter blades opening and clising speed controlled by adjustable friction device. Pneumatic release connection. No. A23. Mudford. 1883-1893.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/3783
type:
shutter
credit:
The Kodak Collection at the National Media Museum, Bradford