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.
- Object Number:
overall (fully open, lying flat): 1010 mm 55 mm,
overall (closed, lying flat): 163 mm 55 mm,
overall (weight): .831kg
- telescope - terrestrial
- furnishing and equipment
- tools & equipment
- optical instrument
- telescope - refracting
- Court, Thomas Henry
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