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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
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
Excellent online experience, and the product was exactly what I expected!
American Nautical Services, Inc.
3311 S Andrews Ave, Suite 11
Fort Lauderdale, FL 33316
United States of America
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