Lancaster see-saw shutter with landscape lens

Made:
1891 in Birmingham
maker:
J Lancaster and Son

Before lens shutter on 27mm tube with achromatic lens, two sliding plates with V ends operated by pneumatic release valve with time stop. Of rectangular shape with rounded edge. Lancaster, 1891.

Details

Category:
Photographic Technology
Object Number:
1990-5036/1247
type:
shutter
credit:
The Kodak Collection at the National Media Museum, Bradford

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