Protractor Triangle (Weem & Plath 103) South Pacific Ocean as well as regions including

as well as regions including the Red Sea

New London and Fall River Harbors and Approaches is a standard nautical chart

Edition #: 49

waterproof material

Expertly corrected to the latest Notice to Mariners (NTM) upon purchase

Protractor Triangle (Weem & Plath 103) South Pacific Ocean as well as regions includingOften 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