Spectroscope for "Twin Equatorial" Telescope

Spectroscope for "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 Pt2
type:
spectroscope - astronomical
credit:
Bower, W.L.N.