This Weems & Plath navigation tool is versatile and can be used to lay off a course or a bearing measure distance between any two points plot a position on a chart from a given set of coordinates or determine the coordinates of a position on a chart.
It is an updated version of the Breton and Portland Plotters.
This Weems & Plath Protractor includes a pencil and sharpener.
Lawson Watch & Clock
929 West Pike Street
Clarksburg, WV 26301
800-352-3177
Local 304-623-5734 * Fax 304-623-5614
Your Online Source for Fine Watches & Clocks.