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

Made:
1829 in London
maker:
Troughton and Simms Limited
,
Charles Tulley
and
George Dollond

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.

On display

Science Museum: Mathematics: The Winton Gallery

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Details

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

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