'Bijou' Actinometer and Exposure Table Byde by Isaac Watts
- Made:
- 1885 in Altrincham
'Bijou' actinometer and exposure table byde by Isaac Watts, Altrincham, Cheshire, c. 1885.
Details
- Category:
- Photographic Technology
- Object Number:
- 1927-944
- Materials:
- cardboard, paper (fibre product) and tin plated
- Measurements:
-
overall: 14 mm x 48 mm x 33 mm, .017 kg
- type:
- exposure meter and actinometer
- credit:
- Watkins, Alfred
