$60.99
The Weems and Plath, Course and Leg Identifier is a marine plotter perfect for expanding square patterns and sector pattern searches. Overview For expanding square pattern and sector pattern searches. Also known as Search Pattern Slide Rule or Coast Guard...
$105.99
The Star Finder 2102-D is an invaluable tool for celestial navigators to plan star and planet sights, but it can also be used by amateur star gazers for general star identification Overview Graphically portrays altitude and azimuth of fifty-seven numbered...
$81.99
Given the position of a storm and direction and speed of its advance, with the aid of your Vectormaster you may quickly determine a course which will put maximum distance between your vessel and an oncoming storm. Overview Circular slide...