Boxwood sector
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Science Museum Group
© The Board of Trustees of the Science Museum
Boxwood sector, 492mm in length, bearing a variety of lines including a line of musical tones with brass arc crosspiece engraved with scale of degrees
Details
- Category:
- Mathematics
- Object Number:
- 1981-780
- type:
- proportion drawing instruments and sectors
- credit:
- Weston, D
