- Item type
- Object
- Provenance
- Deposited by the Royal Microscopical Society with their collection.
- Primary inscriptions
- Unsigned and undated
- Inventory No
- 58565
- Accession Number
- 1970-101/part
Description
Two hemispherical illuminators, consisting of a glass hemisphere is set in a copper alloy ring that is mounted by an arm (a bracket on one and a straight bar on the other) onto a ball joint. The joint is at the top of a pillar on a sliding dovetailed section of the top of a cylinder. One illuminator has a lacquered finish, whilst the other illuminator has been left un lacquered. These illuminators can be used like an Amici prism to provide oblique light for a specimen.
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