This image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseNon-achromatic (Galilean type) folding (9-draw) spyglass
Science Museum Group
© The Board of Trustees of the Science Museum
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), silver plated, leather and glass
- Measurements:
-
overall (fully open, lying flat): 1010 mm 55 mm,
overall (closed, lying flat): 163 mm 55 mm,
overall (weight): .831kg
- type:
- telescope - terrestrial
- credit:
- Court, Thomas Henry
