Micrometer achromatic refracting telescope with lens cap

SMG00030916

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SMG00030916
Science Museum Group
© The Board of Trustees of the Science Museum

Micrometer achromatic refracting telescope with lens cap, Brewster type, patented 1811, by William Harris & Co., London, c. 1830.

Details

Category:
Optics
Object Number:
1913-288
Materials:
copper (alloy), brass (copper, zinc alloy), mahogany (wood) and glass
Measurements:
overall (closed): 310 mm x x , 59 mm, .985kg
type:
micrometer telescope
credit:
Court, Thomas Henry