Disc Actinometer (Autotype)
Disc actinometer (autotype).
Details
- Category:
- Photographic Technology
- Object Number:
- 1929-280
- Materials:
- cardboard, felt, glass, paper (fibre product), tin plated and wood (unidentified)
- Measurements:
-
overall: 26 mm 52 mm, .052 kg
- type:
- exposure meter and actinometer
- credit:
- The Autotype Company Limited
