You are looking at a brand new Portland Course Plotter kit made by Blundell Harling
The Portland Course Plotter Kit is
- Used worldwide by practical and shore based instructors
- Bright blue directional arrow prevents accidental reciprocal bearings
- Edges are graduated for tide and boat speed
- Base has a fixed grid so it is easy to plot latitude from your GPS system
- Includes a 7" Single Handed Divider
- Comprehensive instructions included
If you have any questions please ask, we will post these via 1st class signed for mail