Galilean refracting telescope on folding tripod
- maker:
- Jesse Ramsden
This image is released under a CC BY-NC-SA 4.0
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Science Museum Group
© The Board of Trustees of the Science Museum
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 and iron
- Measurements:
-
overall: 185 mm x 185 mm x 120 mm, , .265kg
- credit:
- Solar Physics Observatory, Cambridge
