- Subject
- Photography
- Item type
- Object
- Makers
- Laverne
- Primary inscriptions
- '3171 C/T'
- Physical material
- Cu alloy
- Dimensions
- Diameter: 32mm Height: 12mm Weight: 16g
- Inventory No
- 64371
Description
This aperture is accessed via a removable copper alloy dust cap. The manufacturer's name is engraved on the side of the body.
