Lens Components and Circular Components
9 metal lens components, one engraved with 'S&AD', and 6 metal circular components for the "Twin Equatorial" Telescope, 1885
Details
- Category:
- Astronomy
- Object Number:
- 1936-231/31
- Materials:
- metal (unknown) and glass
- type:
- lens - component
- credit:
- Bower, W.L.N.