Last Correction: 19-Jan-2018

Edition: 3rd Edition

all the way to Neah Bay

Title: How to Read a Nautical Chart: A Complete Guide to Using and Understanding Electronic and Paper Charts

12" Aluminum Arm Parallel Rule South Puget Sound Last Correction: 19-Jan-2018No navigator should be without a good set of parallel rules as part of the navigation back up plan in the event of an electronic navigation failure. These parallel rules are accurate and durable. Choose from four arm lengths. Overview Black parallel lines on each rule improve ease of use and accuracy. Brushed aluminum arms. Polished aluminum handle. Milled acrylic with beveled edges. No protractor scale. Lifetime warranty. Specifications Marine