Our Code: WP0023
The Weems & Plath Compute-A-Course is a compact, multi-purpose plotting tool. Ideal for general boating or commercial use. The Compute-A-Course™ can be used for position fixing, course plotting, and distance measurements with the included scales. Using the log scale on the instructions, time/distance calculations are a snap. Instructions included. Dims: 7-3/16" w x 8-1/2" h.