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A Flinders bar is a vertical soft iron bar placed in a tube typically on the fore side of a compass binnacle. The Flinders bar is used to counteract the horizontal effect of vertical magnetism induced by the Earth's magnetic field in the steel of a ship, an effect which varies with latitude. It is usually calibrated as part of the process known as…
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Flinders bar | is a | vertical soft iron bar placed in a tube typically on the fore side of a compass binnacle | 0.90 | text |
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