Exposure meter and two actinometers
Imperial Duplex exposure meter. Two actinometers, incorporated in slide rule calculators in double folding booklet, one for bright light, the other for dull light. In original carton with packet of sensitive papers and instruction books.
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/4217
- Materials:
- cardboard, leather, paper (fibre product) and metal (unknown)
- Measurements:
-
Box: 20 mm x 115 mm x 77 mm,
Meters: 70 mm x 100 mm,
- type:
- exposure meter and actinometer
- credit:
- The Kodak Collection at the National Media Museum, Bradford
