Refractor

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

Refractor 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:
1936-231/6
Materials:
brass (copper, zinc alloy), metal (unknown) and glass
Measurements:
overall: 105 mm x 422 mm x 169 mm,
type:
instrument component and telescope - refracting
credit:
Bower, W.L.N.

Related Objects

Film positive Nebula N.G.C. 3115
Transparency, 40"x51 1/2", of Crab Nebula in Taurus (M.1. N.G.C. 1952) photographed in red light by the 200-inch Hale telescope

Transparency, 40"x51 1/2"

Three photographic prints belonging to Horace Dall
Transparency, 40"x51 1/2", of Spiral galaxy in Pegasus, N.G.C. 7217, photographed by the 200-inch Hale telescope

Transparency, 40"x51 1/2"

Film positive 9 7/8 x 7 3/4) Nebula N.G.C. 7217
Glass diapositive in passe-partout frame [X14] of a drawing by Mr Wesley [plate 14] showing the solar corona as seen from Sfase, Tunisia at the solar eclipse of August 30th, 1905.

Glass diapositive of a drawing showing the solar corona at the eclipse seen from Tunisia