Instrument for Estimating the Relative Sensitiveness of Different Films for Photographic Purposes
Instrument for estimating the relative sensitiveness of different films for photographic purposes.
Details
- Category:
- Photographic Technology
- Object Number:
- 1887-42
- Measurements:
-
overall: 66 mm x 242 mm x 113 mm, .976 kg
- type:
- instrument
- credit:
- Paget, J
