- Subject
- Microscopy
- Item type
- Object
- Provenance
- Purchased from Dr. Reginald S. Clay with his collection. Part of item 31 in typescript list.
- Primary inscriptions
- 'ROTATING PRISM' on container's lid.
- Physical material
- Brass and calcite
- Dimensions
- Diameter: 21mm Height: 30mm Width: 21mm
- Inventory No
- 76734
- Accession Number
- 1944-1/part
Description
Copper alloy barrel containing the nicol prism which can be rotated by a copper alloy knurl-edged disc, screwed to the lid of the cylindrical container.
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