#111 Compute-A-Course protractor Edition Date: 28-Nov-2003

Edition Date: 28-Nov-2003

Edition Date: 1-Dec-1995

(1-Nov-2012)

Edition Date: 31-Oct-2014

Edition Date: 10-Mar-1995

#111 Compute-A-Course protractor Edition Date: 28-Nov-2003The Compute A Course is a compact, multi purpose plotting tool ideal for adding to your general boating or commercial navigational tools. The Compute A Course navigational tools can be used for position fixing, course plotting, and distance measurements with the included scales. Overview Used for course plotting, distance measuring and position fixing. Instructions for use located on back of vinyl storage sleeve. Logarithmic speed scale for solving