Flinders bar
Cylinder like arrangement on fwd or aft side of the binnacle.
Contain soft iron.
Length: 60 cm (600 mm)
Diameter: 7.5 cm to 10 cm (75 mm)
Made of: brass
If superstructure abaft the compass, flinders bar on forward part. If superstructure forward of the compass, flinders bar on after part.
