Weems & Plath Parallel Rule – 18″ Model 138

Weems & Plath Parallel Rule – 18″ Model 138

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Current price is: $20.00. Original price was: $25.00.

Current price is: $20.00. Original price was: $25.00.

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SKU: 924aoa00n4y Category:

Product Description

  • Description

Description

The Weems Plath 18-inch (457mm) Aluminum Arms Parallel Rule feature aluminum arms that join two clear acrylic rulers inscribed with a protractor scale. An essential item in any proper navigation kit, these rules are used to plot direction on a nautical chart from any convenient meridian or compass rose. The two straight-edged rules are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving rule, you can effectively plot a course.

Features

  • 18-inches (45.72cm) long
  • Protractor scale
  • Sturdy clear acrylic with aluminum arms
  • Protective plastic sleeve

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