Description
The Weems & Plath Parallel Ruler 15″ (38.1 cm) in brass is a premium navigation ruler designed for accurate course plotting and alignment on nautical charts. This model is made with sturdy brass frames and clear acrylic blades with a degree scale, making it easy to transfer courses and angles parallel across the chart.
The parallel ruler opens and closes with hinges that keep the angle constant when moved, so you can work with precision across chart fields. With a length of 15 inches (38.1 cm), the choice of materials makes it a durable and elegant navigation tool that can withstand long-term use on board.
The Weems & Plath Parallel Ruler in brass is ideal for traditional navigation, course plotting, position work and teaching. Combining classic nautical craftsmanship with practicality, it’s ideal for both recreational boaters and professional navigators who value quality and precision.
