CAUTIONAll Magnetic Compasses are vulnerable to magnetic interference, which will produce errors, called deviation. It is the Owner/Operator and/or Helmsman's responsibility to make sure the compass i
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Boater's Blog
Installation Guide for Ritchie V-57 Dash Mount Compass
Sep 12th 2016
Instructions for Davis Charting Kit
Sep 12th 2016
Kit includes:
Parallel RulesProtractor TriangleOne-Arm ProtractorCourse PlotterProfessional DividersPencilThese precision plotting tools are everything you need for chart work in one handy kit. A cho
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