Two dip needles used by Sir J.C. Ross, c.1840
- Made:
- 1840
Two dip needles used by Sir J.C. Ross, c.1840
Details
- Category:
- Terrestrial Magnetism
- Object Number:
- 1915-151
- type:
- needle
- credit:
- Meteorological Office, South Kensington
Two dip needles used by Sir J.C. Ross, c.1840