Protractor Triangle with Handle (Weem & Plath 101) Northwestern Passages Edition Date: 2022-12-01*

Edition Date: 2022-12-01*

Scale: 50204

British Admiralty Nautical Chart 2510: Approaches to Londonderry is a standard nautical chart

2 General Average

Protractor Triangle with Handle (Weem & Plath 101) Northwestern Passages Edition Date: 2022-12-01*Often used in a combination of two, our Protractor Triangle with Handle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with contrast enhancing colors (red & black), plus a handle that holds a pencil, making it convenient and easy to use. 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. When used in