Refracting telescope by Grubb
Refracting telescope by Grubb, 1884, on equatorial mounting, aperture 6 inches, with clock drive
- Measurements:
-
overall: 3000 mm x 2500 mm x 750 mm, 427 kg
- Materials:
- steel (metal) , brass (copper, zinc alloy) and glass
- Object Number:
- 1985-1470 Pt1
- type:
- instrument component and telescope - refracting