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18" Aluminum Arms Parallel Rule (Weems & Plath 138)

  • $38.95

  • $31.95

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Manufacturer Weems & Plath
UPC 721002001382

18" Aluminum Arms Parallel Rule (Weems & Plath 138)

The 18-inch (45.72cm) Aluminum Arms Parallel Rules feature aluminum arms that join two clear acrylic rulers enscribed 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 rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving ruler, you can effectively plot a course

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

Length: 18 in (45.72 cm)

Width: 2.6 in (6.6 cm)

Height: 0.5 in (1.27 cm)

Weight: 0.5 lb (1.27 cm)

UPC Code: 721002001382

HTS Code: 9017.80.0000

NSN: 6675-01-573-2795

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