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  • $19.95 $29.95
    A larger (234 x  318mm) version of our Rib Plotter. Made from 1.5mm thick clear acrylic. Complete with 4 recessed magnets for use on a dry-wipe board for teaching day-skipper nautical navigation.
  • $9.95 $12.95
    Also known as a “Douglas” protractor. This protractor/plotter has been around a long time in one form or another. It is best suited for rapid plotting of courses and bearings in a confined space. Those who have used these for awhile, swear by them. The 5 inch size is small and inexpensive enough ...
  • $24.95 $31.95
    The Weems Parallel Plotter is our most popular rolling plotter. It is mounted on an aluminum roller assembly that allows you to plot courses and parallel lines with simple direct transfer and doesn’t require the space that traditional parallel rules or triangles need. The roller keeps the plotter...
  • $16.95 $23.95
    The Portland Course Plotter Used worldwide by practical and shore based instructors Bright blue directional arrow prevents accidental reciprocal bearings Edges are graduated for tide and boat speed Base has a fixed grid so it is easy to plot latitude from your GPS system Comprehensive instructio...
  • $27.95 $34.95
    The Portland Course Plotter Kit Used worldwide by practical and shore based instructors Bright blue directional arrow prevents accidental reciprocal bearings Edges are graduated for tide and boat speed Base has a fixed grid so it is easy to plot latitude from your GPS system  Includes a 7" Singl...
  • $36.95 $64.95
    Portland Plotter Movable disc enables magnetic variation to be set on the instrument Movable arm is divided into millimetres Captain Fields' protractor markings Comfortably covers the largest Admiralty Chart Pencil guide holes give precision loction Unique design ensures a truly paralle...