Micrometer achromatic refracting telescope with lens cap
- maker:
- W Harris and Company
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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
