Adams's New Patent Portable Telescope

Made:
1734-1795
maker:
George Adams

Non-achromatic (Galilean type) folding (9-draw) spyglass telescope with leather covered silver-plated brass tube, by George Adams the elder, 60 Fleet St., London, England, 1734-1795. Marked as ‘Adams’s New Patent Portable Telescope’, fitted with 1 7/8-inch objective lens and sliding eyepiece lens cap.

Details

Category:
Optics
Object Number:
1917-55
Materials:
brass (copper, zinc alloy), glass, leather, silver plated
Measurements:
overall (fully open, lying flat): 1010 mm 55 mm,
overall (closed, lying flat): 163 mm 55 mm,
overall (weight): .831kg
type:
telescope - terrestrial
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
  • telescope - refracting
credit:
Court, Thomas Henry

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