Proportional compass (one of two)
One of two proportional compasses.
- Materials:
- brass (copper, zinc alloy)
- Object Number:
- 1890-23 Pt1
- type:
- instrument component and proportional compass
- Image ©
- The Board of Trustees of the Science Museum
Two proportional compasses in case
One of two proportional compasses.
One of two proportional compasses.
Instrument case for two proportional compasses.
Key for case containing proportional compasses.