Galilean refracting telescope on folding tripod, b

Made:
1785-1795 in London
maker:
Jesse Ramsden

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Galilean refracting telescope on folding tripod, brass, by Jesse Ramsden, London, England, c. 1790, 2-powers eyepiece. Achromatic object glass, aperture (1 3/8-inch), focal length (6-inch). Main lens cap missing

Details

Category:
Optics
Object Number:
1948-143
Materials:
copper (alloy), glass, iron
type:
telescope - terrestrial
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
  • telescope - refracting
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
  • telescope - refracting
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
credit:
Solar Physics Observatory, Cambridge

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