Product Description
- 360° Protractor / Compass Rose
- Cardinal Compass Points
- 24 Hour Clock Face
- Sample declination diagrams for both east and west declination
- North definitions
- Formulas for converting between Grid or True North and Magnetic North
- Using Grid and True North on a map
- Declination changes over time
Specifications
Height: 2.750 in. (70mm)
Width: 2.750 in. (70mm)
Thickness: 0.030 in. (1mm)
Made in United States.