Watkins hand camera actinometer
Watkins hand camera meter. Disc/cylinder form actinometer, blue glass and paper mask with standard tint cover roll of paper. Two concentric calculator scales, outer one rotating. Manufactured by Watkins Meter Co., Hereford.
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/515
- Materials:
- metal (unknown) and glass
- Measurements:
-
overall: 20 mm 35 mm,
- type:
- actinometer
- credit:
- The Kodak Collection at the National Media Museum, Bradford
