15" Parallel Ruler - Brass
Weems & Plath navigation tools are reliable and easy to use. 15" parallel rulers are a necessary tool for every seagoing navigator to measure or lay off courses and distances on a nautical chart. These are built to last - constructed of durable, clear acrylic that is milled with bevelled edges. Each also includes a protractor scale.
The Brass Arm style is assembled with high-quality solid brass arms and handles that adds a bit of traditional elegance to this classic navigation tool.
Brass Arm Parallel Ruler