#116 3-Arm Protractor map tech Larger and improved version of

Larger and improved version of our popular 101 protractor triangle with handle

Chart Image Size: 38⅜" x 31¼"

Outdated nautical charts reproduced for navigation classes

Chart Image Size: 40⅛" x 31⅝"

Chart Image Size: 45¾" x 32"

#116 3-Arm Protractor map tech Larger and improved version ofThe 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