Two clear plastic discs which fit over the light aperture
Category
Photographic technology
Date
1936 - 1939
Materials
Plastic, Cardboard
Measurements
2 mm (Depth); 56 mm (Diameter)
Order this imageCollection
Fox Talbot Museum, Wiltshire
NT 1525051.2
Summary
Two clear plastic discs which fit over the light aperture. One of them is mounted on a cardboard mount which fits onto the photometer.
Provenance
The Fenton Collection. A gift from British Film Institute in 2017. From 1986-1999, part of BFI collection for the Museum of the Moving Image. BFI purchased collection in 1986 from James Fenton's Museum of Photography, Port Erin, Isle of Man 1976-1986