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