Watkins' Experimental Exposure Meter
- Made:
- 1889
- inventor:
- Alfred Watkins
Watkins' exposure meter, (earliest experimental model of 1889).
Details
- Category:
- Photographic Technology
- Object Number:
- 1927-941
- Materials:
- paper (fibre product), glass and brass (copper, zinc alloy)
- Measurements:
-
overall: 60 mm 28 mm, .075 kg
- type:
- exposure meter
- credit:
- Watkins, Alfred