Triangular Track Line Protractor
Article no: | 300050 |
Manufacturer number: |
Designed to give true or magnetic headings and reciprocals from meridians or magnetic north pointers when hypotenuse is aligned with the desired track. The protactor is under-printed with white border for greater definition of headings scale, and incorporates millimetre scale to 20 mm as well as a knob for easier operation.
Size: 223 mm x 115 mm