Rulers, Plotters & Chartwork sets
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Portland Course Plotter 655.32
€22.90*
(Formerly: Breton plotter) Easy-to-use course device with rotating rose. It is placed in the direction of the course or bearing and the grid of the rose is turned parallel to the nearest meridian or p
Small Triangle
€7.50*
The triangle is used for the parallel shifting of the course triangle on charts. A triangle is part of the basic equipment of every nautical course setter. This triangle is 27 cm long and has a
Portland Speed-Time-Distance Calculator 655.31
€11.40*
Portland Speed-Time-Distance-Calculator.With the help of the Portland Speed-Time-Distance-Calculator it is possible to determine the distance travelled at any time for a given speed. Likewise the requ