#116 3-Arm Protractor MET Textbook Last Correction: 3-Dec-2019

Last Correction: 3-Dec-2019

bestselling author

Chart Image Size: 45⅜" x 31¾"

(1-Apr-2008)

This comes about because the waterway is narrower some distance away from the official reporting station

#116 3-Arm Protractor MET Textbook Last Correction: 3-Dec-2019The Three Arm Protractor's heavy duty, flexible crystal clear acrylic construction is the foundation for this easy to use. The arms of the Three Arm Protractor are rigid enough to trace a bearing line. Overview Arms are rigid enough to trace bearing line. Can be used to chart position from three identifiable shore, landmark or buoy locations. Measure angles on the protractor and locate your position on chart. Moveable arms with vernier scale for even