Brass component for Colby's compensation bars
- Made:
- 1827
Brass component for Colby's compensation bars, this has three legs attached to a square base with an adjusment dial. Ontop of that is a rectangular box with three eyepieces and two levels.
Details
- Category:
- Surveying
- Object Number:
- 1876-1201/4
- Materials:
- brass (copper, zinc alloy) and glass
- type:
- components