- Subject
- Optical instruments
- Item type
- Object
- Provenance
- Purchased.
- Primary inscriptions
- See Narrative notes for transcriptions.
- Physical material
- Brass
- Dimensions
- Diameter: 49mm Height: 72mm Weight: 117g
- Inventory No
- 64634
Description
A metal lens housing, containing a single lens at one end, other opening contains a mirror angled at a right angle, this mirror is protected by a detachable lens cap.
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