Protractor Triangle (Weem & Plath 103) Southern Ocean If your answer to any

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British Admiralty Nautical Chart 4152: Table Bay to Cape Agulhas is a standard nautical chart

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Protractor Triangle (Weem & Plath 103) Southern Ocean If your answer to anyOften used in a combination of two, our Protractor Triangle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with black markings. The protractor scale on the triangle can aid in drawing a bearing line on a chart, and the 90 angle is helpful when determining lines of position. 7 3 4" sides x 11" (19. 69cm x 27. 94cm) hypotenuse Protractor scale allows easy alignment with chart meridian in any direction