Brass cylinder, possibly lens

PART OF:
Twin reflecting and refracting telescopes on observatory mounting, 1885
Made:
1885 in Dublin and York

Brass cylinder, possibly lens 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:
1936-231/9
Materials:
metal (unknown)
type:
instrument component, telescope - refracting and telescope - cassegrain
credit:
Bower, W.L.N.

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