Friday, February 3, 2012

Helix Angle & Circle Maker



The Helix angle and circle maker doubles as a compass rose anywhere on a chart or plotting sheet. A great plotting tool for small chart tables and for cockpit navigation.

http://www.misterart.com/drawing-illustration/drawing-lettering-aids/protractors-compasses/helix-angle-circle-maker.html?utm_source=google&utm_medium=datafeed&utm_term=31333&utm_campaign=GoogleProducts

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