Exposure calculator by Johnsons of Hendon Ltd.
Details
- Category:
- Photographic Technology
- Object Number:
- Y1991.148.6
- Materials:
- plastic (unidentified) and paper (fibre product)
- Measurements:
-
pack: 5 mm x 86 mm x 89 mm,
- type:
- photographic equipment
- credit:
- Gift of Anne Charlton
