Imperial exposure meter
Bookform actinic meter by Imperial Dry Plate Co., Cricklewood. No.1 bright light, No 2, dull light.
- Object Number:
- 1990-5036/132/1
- type:
- actinometer
Bookform actinic meter by Imperial Dry Plate Co., Cricklewood. No.1 bright light, No 2, dull light. Sliderule instruction calculators. Two instruction books and pack of sensitive.
Bookform actinic meter by Imperial Dry Plate Co., Cricklewood. No.1 bright light, No 2, dull light.
A pack of photosensitive paper for the Imperial exposure meter
Two instruction books for the Imperial exposure meter