Small hand Gregorian reflecting telescope
- Made:
- 1750
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Science Museum Group
© The Board of Trustees of the Science Museum
Small hand Gregorian reflecting telescope, unsigned, with twist focussing of secondary mirror (1750), length 6 7/8ins.
Details
- Category:
- Optics
- Object Number:
- 1928-917
- Materials:
- copper (alloy), speculum (alloy of copper and tin), leather and glass
- Measurements:
-
overall: x 175 mm x , 38 mm, .255kg
- type:
- telescope - gregorian and telescope - reflecting
- credit:
- Court, Thomas Henry
