Watkin's exposure meter

PART OF:
The Kodak Museum Collection
Made:
Birmingham
maker:
R. Field & Co.

Tubular type actinometer which carries strip of sensitive paper through slot in one end, single matching tint. Calculator scales around body apertures US and f/. Exposure times and H & D speeds. End cap attached by chain, forms one second pendulum. R. Fields.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/3867
Materials:
metal
Measurements:
overall: 38 mm x 67 mm x 35 mm,
type:
exposure meter
credit:
The Kodak Collection at the National Media Museum, Bradford