Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight

Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting) Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight (instrument component; telescope - refracting)

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Refracting telescope of 5.9-inch aperture by Dollond mounted on English type equatorial mounting with off-set lead counterweight, later modified by Troughton in 1874.

Details

Category:
Astronomy
Object Number:
1929-949 Pt1
Materials:
mahogany, brass, steel, glass and lead
Measurements:
Tube: 3963 mm, 170 mm,
Overall (with plinth): 4300 mm x 1230 mm x 4460 mm, 274 kg
type:
instrument component and telescope - refracting
credit:
Royal Observatory, Greenwich