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Science Museum Group
© The Board of Trustees of the Science Museum
Surveyors compass, 8.75 inch needle, by W. Harris, 1800-1814
Magnetic compasses are portable and easy to use for rapid survey where high accuracy is not required. This early 19th century example by Harris of London, with its 8.75 inch long needle and greater accuracy, would be suitable for medium scale survey work.
Details
- Category:
- Surveying
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1979-256
- type:
- circumferentor
- credit:
- On loan from the Wellcome Trust
