"Imperial" Exposure Calculator
- Made:
- 1900-1920 in United Kingdom
Exposure meter (booklet slide rule type) by Imperial Dry Plate Co. Ltd. triple folded booklet, one side for bright light, and one for dull, with two instruction leaflets.
Details
- Category:
- Photographic Technology
- Object Number:
- Y1970.56
- Materials:
- cardboard, leather and paper (fibre product)
- Measurements:
-
overall: 13 mm x 74 mm x 100 mm,
- type:
- photographic equipment
- credit:
- Gift of Mr. S. Meakin
