Spectroscope for "Twin Equatorial" Telescope

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

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
Materials:
brass (copper, zinc alloy), glass and metal (unknown)
Measurements:
overall: 86 mm x 590 mm x 125 mm,
type:
spectroscope - astronomical
credit:
Bower, W.L.N.

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