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© The Board of Trustees of the Science Museum
Galilean telescope (spyglass) with achromatic object glass, shagreen tube and silver fittings, by ... ldes Porte(r?), Paris, France, c. 1775 (B793). Fitted with multi-power eyepiece and shutter. Dust-cap for object glass missing.
Details
- Category:
- Optics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1983-159
- Materials:
- silver (alloy), vellum, fish skin and glass
- Measurements:
-
overall: x 110 mm x , 45 mm, .13kg
- credit:
- Wellcome Trust
