12 Inch Parallel Ruler Key Benefits: - Precise Navigational Tool : Accurately plot bearings and course lines with this 12-inch parallel ruler, combining the essential functions of a protractor and parallel ruler for easy route measurement. - Versatile Applications : Perfect for marine use, whether on boats or ships, this ruler is designed for various nautical environments, enhancing your mapping and navigation experience. - Long-Lasting Durability : Constructed from high-quality acrylic with a brushed aluminum arm and polished aluminum handle, this ruler is built to withstand frequent use while maintaining performance over time. Attributes: - Clear, Engraved Scales : Features easily readable 180° protractor markings, allowing for accurate angle measurements. The design ensures that when the arms are closed, the protractor center is conveniently located at the midpoint of the bottom edge. - High Transparency : Offers excellent clarity, ensuring unobstructed viewing of charts and maps. This promotes smoother and more accurate plotting. Usage Scenarios: - Marine Navigation : Ideal for sailors plotting their course, ensuring quick and accurate navigation during open water travel. - Charting Courses : Useful for navigating new territories or during training exercises, enabling clear measurement of bearings before setting sail. - Educational Use : An excellent tool for teaching navigation techniques in maritime classrooms, allowing students to visualize and practice plotting courses effectively. Designed with both functionality and user experience in mind, this parallel ruler is your go-to solution for precision in navigation.