refracting telescope (achromatic?), three-draw tub
- Made:
- 1835-1845
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refracting telescope (achromatic?), three-draw tube, with position micrometer and lens cap, mahogany and brass, British, c. 1840.
Details
- Category:
- Optics
- Object Number:
- 1919-316
- Materials:
- copper (alloy), brass (copper, zinc alloy), mahogany (wood) and glass
- Measurements:
-
overall (closed): 175 mm x x , 45 mm, .28kg
- type:
- telescope - refracting
- credit:
- Court, Thomas Henry
