Refracting telescope of 1 1/2-inch aperture and 36

Made:
1770 in London
maker:
John Smeaton

Refracting telescope of 1 1/2-inch aperture and 36-inch focal length by John Smeaton on an adjustable equatorial mounting with a tripod stand. The telescope is fitted with an integral filar micrometer [RAS No.7] . Presented to Royal Astronomical Society in 1845 by Mrs Sommerville to whom it was left by Mrs Dixon, Smeaton's daughter.

Details

Category:
Astronomy
Object Number:
1931-347
Materials:
optics, glass, stand, wrought iron and tube & mounting, brass
Measurements:
overall (estimate): 700 x 1000 x 430 mm
type:
telescope - refracting
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • scientific equipment
  • astronomical instrument
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
  • furnishing and equipment
  • measuring device - instrument
  • micrometer - angle
credit:
Royal Astronomical Society

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