Cylindrical bi-concave lens
- Made:
- 1900-1983
Cylindrical bi-concave lens, focal length about 75 mm
Details
- Category:
- Science Teaching
- Object Number:
- 1984-1138
- type:
- lenses
- credit:
- Robert Montefiore Secondary School
Cylindrical bi-concave lens, focal length about 75 mm