Visual extinction exposure meter in leather pouch with instruction sheet by Practos.
Details
- Category:
- Photographic Technology
- Object Number:
- Y1977.38
- Materials:
- metal (unknown), plastic (unidentified), glass, leather and paper (fibre product)
- Measurements:
-
overall: 35 mm x 59 mm x 118 mm,
- type:
- photographic equipment
- credit:
- Gift of Gerry Needham