A bar of soft iron placed vertically in or near the housing of a ship’s compass to correct deviation caused by the local magnetic field of the ship.
More example sentences
- Permanent magnets or iron placed near the compass are used for compensation; an iron Flinder's bar is one example.
- In ship's compasses, the compasses usually have to be equipped with an iron Flinder's bar and maybe quadrantial spheres; they're supposed to eliminate compass deviation caused by a ship's hull.
late 19th century: name after Captain Matthew Flinders, Matthew.
Definition of Flinders bar in:
- The US English dictionary