Cylindrical object consisting of two parts decreasing in size
Cylindrical object consisting of two parts decreasing in size for the "Twin Equatorial" Telescope, 1885. Made by Sir Howard Grubb, consisting of a 20in. Reflecting Telescope and a 7in. Refracting Telescope (by Cooke) mounted together on one equatorial stand. With Grubb electric control gear
Details
- Category:
- Astronomy
- Object Number:
- 1936-231/12
- Materials:
- brass (copper, zinc alloy)
- Measurements:
-
overall: 135 mm 53 mm, .241 kg
- type:
- instrument component
- credit:
- Bower, W.L.N.