Proportional compass by Joseph Jackson, London, 2nd quarter 18th century, brass with steel tips, in original fishskin case
Details
- Category:
- Mathematics
- Object Number:
- 1986-813
- Materials:
- brass, tips, steel and case, fishskin
- type:
- proportional compass
- credit:
- Trevor Philip and Sons Ltd.
Parts
Proportional compass by Joseph Jackson
- Materials:
- brass , tips, steel and case, fishskin
- Object Number:
- 1986-813 Pt2
- type:
- instrument component and proportional compass