The Weems Parallel Plotter is a full‑size rolling plotter designed for fast, accurate course and bearing work on paper charts. Roller‑mounted design allows direct transfer of courses and parallel lines without bulky parallel rules or triangles Distance scales at 1:20,000, 1:40,000, and 1:80,000 plus inch scale to match N.O.S. Coast and Harbor Charts Semi‑circular protractor for measuring courses against meridians and dual quarter‑circle protractors for latitudinal bearings Clear, durable acrylic construction ensures long‑lasting accuracy and easy chart visibility Supplied with operating instructions and backed by a Lifetime Warranty for professional confidence Equip your vessel with a proven plotting tool trusted by navigators worldwide.
