PORTLAND COURSE PLOTTER

Previously known as the Breton Plotter, which was an English language version of a popular French small boat navigation plotter. It was originally designed for use be the fishermen of Brittany. Today, it is made by Blundel Harling in England. The movable compass rose grid is aligned on the chart parallels, and automatically sets the drawing edges on the course bearing required. Variation can be pre-set on the movable rose for ease in plotting compass bearings. The edges are graduated in inches and centimeters. The large, easy to read numbers make the plotter easy to use under difficult conditions.

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