- Subject
- Optical instruments
- Item type
- Object
- Makers
- Carston D. Ahrens
- Provenance
- Transferred from the Department of Geology & Mineralogy, University of Oxford, in 1961.
- Object type
- Prism
- Dimensions
- Height: 45mm Width: 37mm
- Inventory No
- 15633
- Accession Number
- 1961-138/12
