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LicenseOptical parts of Lassell's telescope: plane speculum on arm for
Science Museum Group
© The Board of Trustees of the Science Museum
Optical parts of Lassell's telescope: plane speculum on arm for 9-in; speculum for Newtonian finder in tin case 4 eyepices
Details
- Category:
- Astronomy
- Object Number:
- 1921-819/2
- Materials:
- metal (unknown)
- type:
- components, flat mirrors, metal mirrors and astronomical instruments
- credit:
- Mr Thomas H. Court
